{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-20181", "tracking": { "current_release_date": "2026-06-19T06:54:09.733871Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-20181", "initial_release_date": "2026-06-17T17:21:26.186288Z", "revision_history": [ { "date": "2026-06-17T17:21:26.186288Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (48).| Products created (1).| References created (1).| CWES updated (1)." }, { "date": "2026-06-17T17:21:34.317130Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-06-17T18:02:55.304338Z", "number": "3", "summary": "Unknown change." }, { "date": "2026-06-17T18:08:51.171888Z", "number": "4", "summary": "Source created.| CVE status created. (valid)| CVSS created.| References created (11)." }, { "date": "2026-06-17T18:08:58.485172Z", "number": "5", "summary": "NCSC Score updated." }, { "date": "2026-06-17T18:08:59.735248Z", "number": "6", "summary": "Source connected.| CVE status created. (valid)| Description created for source.| References created (1).| CWES updated (1)." }, { "date": "2026-06-17T18:09:10.151390Z", "number": "7", "summary": "NCSC Score updated." }, { "date": "2026-06-18T04:28:35.052898Z", "number": "8", "summary": "NCSC Score updated." }, { "date": "2026-06-18T09:07:23.560100Z", "number": "9", "summary": "Source created.| CVE status created. (valid)| Products connected (3).| Products created (1).| References created (3)." }, { "date": "2026-06-18T09:07:26.013462Z", "number": "10", "summary": "NCSC Score updated." }, { "date": "2026-06-18T10:30:43.542618Z", "number": "11", "summary": "Source connected.| CVE status created. (valid)| News created (1)." }, { "date": "2026-06-18T10:30:47.839494Z", "number": "12", "summary": "NCSC Score updated." }, { "date": "2026-06-18T23:47:53.001744Z", "number": "13", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-06-19T06:53:59.878586Z", "number": "14", "summary": "Source connected.| CVE status created. (valid)" } ], "status": "interim", "version": "14" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/3.1.0", "product": { "name": "vers:unknown/3.1.0", "product_id": "CSAFPID-2982740" } }, { "category": "product_version_range", "name": "vers:unknown/3.2.0", "product": { "name": "vers:unknown/3.2.0", "product_id": "CSAFPID-2982739" } }, { "category": "product_version_range", "name": "vers:unknown/3.3.0", "product": { "name": "vers:unknown/3.3.0", "product_id": "CSAFPID-2982741" } }, { "category": "product_version_range", "name": "vers:unknown/3.4.0", "product": { "name": "vers:unknown/3.4.0", "product_id": "CSAFPID-2982742" } }, { "category": "product_version_range", "name": "vers:unknown/3.5.0", "product": { "name": "vers:unknown/3.5.0", "product_id": "CSAFPID-8473876" } } ], "category": "product_name", "name": "Cisco ISE Passive Identity Connector" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/3.1.0", "product": { "name": "vers:unknown/3.1.0", "product_id": "CSAFPID-1347107" } }, { "category": "product_version_range", "name": "vers:unknown/3.1.0p1", "product": { "name": "vers:unknown/3.1.0p1", "product_id": "CSAFPID-2857185" } }, { "category": "product_version_range", "name": "vers:unknown/3.1.0p10", "product": { "name": "vers:unknown/3.1.0p10", "product_id": "CSAFPID-2857210" } }, { "category": "product_version_range", "name": "vers:unknown/3.1.0p11", "product": { "name": "vers:unknown/3.1.0p11", "product_id": "CSAFPID-6620846" } }, { "category": "product_version_range", "name": "vers:unknown/3.1.0p2", "product": { "name": "vers:unknown/3.1.0p2", "product_id": "CSAFPID-2857188" } }, { "category": "product_version_range", "name": "vers:unknown/3.1.0p3", "product": { "name": "vers:unknown/3.1.0p3", "product_id": "CSAFPID-2857187" } }, { "category": "product_version_range", "name": "vers:unknown/3.1.0p4", "product": { "name": "vers:unknown/3.1.0p4", "product_id": "CSAFPID-2857190" } }, { "category": "product_version_range", "name": "vers:unknown/3.1.0p5", "product": { "name": "vers:unknown/3.1.0p5", "product_id": "CSAFPID-2857191" } }, { "category": "product_version_range", "name": "vers:unknown/3.1.0p6", "product": { "name": "vers:unknown/3.1.0p6", "product_id": "CSAFPID-2857194" } }, { "category": "product_version_range", "name": "vers:unknown/3.1.0p7", "product": { "name": "vers:unknown/3.1.0p7", "product_id": "CSAFPID-2857196" } }, { "category": "product_version_range", "name": "vers:unknown/3.1.0p8", "product": { "name": "vers:unknown/3.1.0p8", "product_id": "CSAFPID-2857201" } }, { "category": "product_version_range", "name": "vers:unknown/3.1.0p9", "product": { "name": "vers:unknown/3.1.0p9", "product_id": "CSAFPID-2857204" } }, { "category": "product_version_range", "name": "vers:unknown/3.2.0", "product": { "name": "vers:unknown/3.2.0", "product_id": "CSAFPID-1347111" } }, { "category": "product_version_range", "name": "vers:unknown/3.2.0p1", "product": { "name": "vers:unknown/3.2.0p1", "product_id": "CSAFPID-2857192" } }, { "category": "product_version_range", "name": "vers:unknown/3.2.0p2", "product": { "name": "vers:unknown/3.2.0p2", "product_id": "CSAFPID-2857195" } }, { "category": "product_version_range", "name": "vers:unknown/3.2.0p3", "product": { "name": "vers:unknown/3.2.0p3", "product_id": "CSAFPID-2857198" } }, { "category": "product_version_range", "name": "vers:unknown/3.2.0p4", "product": { "name": "vers:unknown/3.2.0p4", "product_id": "CSAFPID-2857200" } }, { "category": "product_version_range", "name": "vers:unknown/3.2.0p5", "product": { "name": "vers:unknown/3.2.0p5", "product_id": "CSAFPID-2857202" } }, { "category": "product_version_range", "name": "vers:unknown/3.2.0p6", "product": { "name": "vers:unknown/3.2.0p6", "product_id": "CSAFPID-2857203" } }, { "category": "product_version_range", "name": "vers:unknown/3.2.0p7", "product": { "name": "vers:unknown/3.2.0p7", "product_id": "CSAFPID-2857208" } }, { "category": "product_version_range", "name": "vers:unknown/3.2patch10", "product": { "name": "vers:unknown/3.2patch10", "product_id": "CSAFPID-6620844" } }, { "category": "product_version_range", "name": "vers:unknown/3.2patch8", "product": { "name": "vers:unknown/3.2patch8", "product_id": "CSAFPID-6046929" } }, { "category": "product_version_range", "name": "vers:unknown/3.2patch9", "product": { "name": "vers:unknown/3.2patch9", "product_id": "CSAFPID-6046947" } }, { "category": "product_version_range", "name": "vers:unknown/3.3.0", "product": { "name": "vers:unknown/3.3.0", "product_id": "CSAFPID-2857197" } }, { "category": "product_version_range", "name": "vers:unknown/3.3patch1", "product": { "name": "vers:unknown/3.3patch1", "product_id": "CSAFPID-2857206" } }, { "category": "product_version_range", "name": "vers:unknown/3.3patch10", "product": { "name": "vers:unknown/3.3patch10", "product_id": "CSAFPID-6046951" } }, { "category": "product_version_range", "name": "vers:unknown/3.3patch2", "product": { "name": "vers:unknown/3.3patch2", "product_id": "CSAFPID-2857205" } }, { "category": "product_version_range", "name": "vers:unknown/3.3patch3", "product": { "name": "vers:unknown/3.3patch3", "product_id": "CSAFPID-2857207" } }, { "category": "product_version_range", "name": "vers:unknown/3.3patch4", "product": { "name": "vers:unknown/3.3patch4", "product_id": "CSAFPID-2857209" } }, { "category": "product_version_range", "name": "vers:unknown/3.3patch5", "product": { "name": "vers:unknown/3.3patch5", "product_id": "CSAFPID-2894689" } }, { "category": "product_version_range", "name": "vers:unknown/3.3patch6", "product": { "name": "vers:unknown/3.3patch6", "product_id": "CSAFPID-2982738" } }, { "category": "product_version_range", "name": "vers:unknown/3.3patch7", "product": { "name": "vers:unknown/3.3patch7", "product_id": "CSAFPID-5166235" } }, { "category": "product_version_range", "name": "vers:unknown/3.3patch8", "product": { "name": "vers:unknown/3.3patch8", "product_id": "CSAFPID-6046944" } }, { "category": "product_version_range", "name": "vers:unknown/3.3patch9", "product": { "name": "vers:unknown/3.3patch9", "product_id": "CSAFPID-6046946" } }, { "category": "product_version_range", "name": "vers:unknown/3.4.0", "product": { "name": "vers:unknown/3.4.0", "product_id": "CSAFPID-2857166" } }, { "category": "product_version_range", "name": "vers:unknown/3.4patch1", "product": { "name": "vers:unknown/3.4patch1", "product_id": "CSAFPID-2894688" } }, { "category": "product_version_range", "name": "vers:unknown/3.4patch2", "product": { "name": "vers:unknown/3.4patch2", "product_id": "CSAFPID-5166236" } }, { "category": "product_version_range", "name": "vers:unknown/3.4patch3", "product": { "name": "vers:unknown/3.4patch3", "product_id": "CSAFPID-5166237" } }, { "category": "product_version_range", "name": "vers:unknown/3.4patch4", "product": { "name": "vers:unknown/3.4patch4", "product_id": "CSAFPID-6046943" } }, { "category": "product_version_range", "name": "vers:unknown/3.4patch5", "product": { "name": "vers:unknown/3.4patch5", "product_id": "CSAFPID-6046948" } }, { "category": "product_version_range", "name": "vers:unknown/3.5.0", "product": { "name": "vers:unknown/3.5.0", "product_id": "CSAFPID-6046928" } }, { "category": "product_version_range", "name": "vers:unknown/3.5patch1", "product": { "name": "vers:unknown/3.5patch1", "product_id": "CSAFPID-6046945" } }, { "category": "product_version_range", "name": "vers:unknown/3.5patch2", "product": { "name": "vers:unknown/3.5patch2", "product_id": "CSAFPID-6046949" } }, { "category": "product_version_range", "name": "vers:unknown/3.5patch3", "product": { "name": "vers:unknown/3.5patch3", "product_id": "CSAFPID-6620158" } } ], "category": "product_name", "name": "Cisco Identity Services Engine Software" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<3.3 patch 11", "product": { "name": "vers:unknown/<3.3 patch 11", "product_id": "CSAFPID-6661968" } }, { "category": "product_version_range", "name": "vers:unknown/<3.4 patch 6", "product": { "name": "vers:unknown/<3.4 patch 6", "product_id": "CSAFPID-6661970" } }, { "category": "product_version_range", "name": "vers:unknown/<3.5 patch 3", "product": { "name": "vers:unknown/<3.5 patch 3", "product_id": "CSAFPID-6661969" } }, { "category": "product_version_range", "name": "vers:unknown/<3.5 patch 4", "product": { "name": "vers:unknown/<3.5 patch 4", "product_id": "CSAFPID-8476700" } } ], "category": "product_name", "name": "Identity Services Engine (ISE)" } ], "category": "vendor", "name": "Cisco" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-20181", "cwe": { "id": "CWE-22", "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')" }, "notes": [ { "category": "description", "text": "Multiple vulnerabilities in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow a remote attacker to achieve remote code execution or conduct information disclosure attacks on an affected device.For more information about these ", "title": "cisco - https://sec.cloudapps.cisco.com/security/center/publicationService.x?limit=20" }, { "category": "description", "text": "A vulnerability in Cisco ISE and ISE-PIC could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device. To exploit this vulnerability, the attacker must have valid administrative credentials.\r\n\r\nThis vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to obtain user-level access to the underlying operating system and then elevate privileges to root. In single-node deployments, successful exploitation of this vulnerability could cause the affected ISE node to become unavailable, resulting in a denial of service (DoS) condition. In that condition, endpoints that have not already authenticated would be unable to access the network until the node is restored.", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/20xxx/CVE-2026-20181.json" }, { "category": "other", "text": "0.00572", "title": "EPSS" }, { "category": "other", "text": "6.8", "title": "NCSC Score" }, { "category": "other", "text": "There is cwe data available from source Cisco, There is cvss data available from source Cisco, There is product data available from source Certbundde, The value of the most recent CVSS (V3) score, Is related to a product by vendor Cisco", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "The CVSS vector string contains AV:N (Attack Vector: Network)", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-1347107", "CSAFPID-1347111", "CSAFPID-2857166", "CSAFPID-2857185", "CSAFPID-2857187", "CSAFPID-2857188", "CSAFPID-2857190", "CSAFPID-2857191", "CSAFPID-2857192", "CSAFPID-2857194", "CSAFPID-2857195", "CSAFPID-2857196", "CSAFPID-2857197", "CSAFPID-2857198", "CSAFPID-2857200", "CSAFPID-2857201", "CSAFPID-2857202", "CSAFPID-2857203", "CSAFPID-2857204", "CSAFPID-2857205", "CSAFPID-2857206", "CSAFPID-2857207", "CSAFPID-2857208", "CSAFPID-2857209", "CSAFPID-2857210", "CSAFPID-2894688", "CSAFPID-2894689", "CSAFPID-2982738", "CSAFPID-2982739", "CSAFPID-2982740", "CSAFPID-2982741", "CSAFPID-2982742", "CSAFPID-5166235", "CSAFPID-5166236", "CSAFPID-5166237", "CSAFPID-6046928", "CSAFPID-6046929", "CSAFPID-6046943", "CSAFPID-6046944", "CSAFPID-6046945", "CSAFPID-6046946", "CSAFPID-6046947", "CSAFPID-6046948", "CSAFPID-6046949", "CSAFPID-6046951", "CSAFPID-6620158", "CSAFPID-6620844", "CSAFPID-6620846", "CSAFPID-8473876", "CSAFPID-6661968", "CSAFPID-6661969", "CSAFPID-6661970", "CSAFPID-8476700" ] }, "references": [ { "category": "external", "summary": "Source - cisco", "url": "https://sec.cloudapps.cisco.com/security/center/publicationService.x?limit=20" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/20xxx/CVE-2026-20181.json" }, { "category": "external", "summary": "Source - cisco", "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-multi-G5WP8vv/csaf/cisco-sa-ise-multi-G5WP8vv.json" }, { "category": "external", "summary": "Source - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1989.json" }, { "category": "external", "summary": "Source - securityweek", "url": "https://www.securityweek.com/critical-command-execution-vulnerability-patched-in-cisco-ise/" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=20000" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://advisories.ncsc.nl/advisory?id=NCSC-2026-0208" }, { "category": "external", "summary": "News - securityweek", "url": "https://www.securityweek.com/critical-command-execution-vulnerability-patched-in-cisco-ise/" }, { "category": "external", "summary": "Reference - certbundde; cisco; cveprojectv5", "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-multi-G5WP8vv" }, { "category": "external", "summary": "Reference - cisco", "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html" }, { "category": "external", "summary": "Reference - cisco", "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwt22913" }, { "category": "external", "summary": "Reference - cisco", "url": "https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwt22936" }, { "category": "external", "summary": "Reference - cisco", "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes" }, { "category": "external", "summary": "Reference - cisco", "url": "https://www.cisco.com/go/tac/" }, { "category": "external", "summary": "Reference - cisco", "url": "https://www.cisco.com/c/en/us/support/security/identity-services-engine/series.html" }, { "category": "external", "summary": "Reference - cisco", "url": "http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html" }, { "category": "external", "summary": "Reference - cisco", "url": "https://www.cisco.com/c/en/us/support/index.html" }, { "category": "external", "summary": "Reference - cisco", "url": "https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html" }, { "category": "external", "summary": "Reference - cisco", "url": "https://www.cisco.com/go/psirt" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1989.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1989" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "baseScore": 9.1, "baseSeverity": "CRITICAL" }, "products": [ "CSAFPID-1347107", "CSAFPID-1347111", "CSAFPID-2857166", "CSAFPID-2857185", "CSAFPID-2857187", "CSAFPID-2857188", "CSAFPID-2857190", "CSAFPID-2857191", "CSAFPID-2857192", "CSAFPID-2857194", "CSAFPID-2857195", "CSAFPID-2857196", "CSAFPID-2857197", "CSAFPID-2857198", "CSAFPID-2857200", "CSAFPID-2857201", "CSAFPID-2857202", "CSAFPID-2857203", "CSAFPID-2857204", "CSAFPID-2857205", "CSAFPID-2857206", "CSAFPID-2857207", "CSAFPID-2857208", "CSAFPID-2857209", "CSAFPID-2857210", "CSAFPID-2894688", "CSAFPID-2894689", "CSAFPID-2982738", "CSAFPID-2982739", "CSAFPID-2982740", "CSAFPID-2982741", "CSAFPID-2982742", "CSAFPID-5166235", "CSAFPID-5166236", "CSAFPID-5166237", "CSAFPID-6046928", "CSAFPID-6046929", "CSAFPID-6046943", "CSAFPID-6046944", "CSAFPID-6046945", "CSAFPID-6046946", "CSAFPID-6046947", "CSAFPID-6046948", "CSAFPID-6046949", "CSAFPID-6046951", "CSAFPID-6620158", "CSAFPID-6620844", "CSAFPID-6620846", "CSAFPID-6661968", "CSAFPID-6661969", "CSAFPID-6661970", "CSAFPID-8473876", "CSAFPID-8476700" ] } ], "title": "CVE-2026-20181" } ] }