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CVE-2025-20331

Cisco Identity Services Engine Stored Cross-Site Scripting Vulnerabiliy

Description

A vulnerability in the web-based management interface of Cisco ISE and Cisco ISE-PIC could allow an authenticated, remote attacker to conduct a stored XSS attack against a user of the interface. This vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of an affected system. An attacker could exploit this vulnerability by injecting malicious code into specific pages of the interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information. To exploit this vulnerability, the attacker must have at least a low-privileged account on the affected device.

Timeline

  1. ID reserved

    By cisco

  2. · 10 months later

    Published

  3. · 1 day later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2025-20331, by who scored it
Scored byCVSSScoreVector
ciscoCNA (assigner)3.1Medium5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVDNVD · Deferred3.1Medium5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS (exploitation in 30 days)
0.26% · top 82% of all CVEs (10 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.4.

Affected products

  • Cisco · Cisco Identity Services Engine Software

    • affected 3.1.0
    • affected 3.1.0 p1
    • affected 3.1.0 p3
    • affected 3.1.0 p2
    • affected 3.2.0
    • affected 3.1.0 p4
    • affected 2.7.0 p8
    • affected 3.1.0 p5
    • affected 3.2.0 p1
    • affected 3.1.0 p6
    • affected 3.2.0 p2
    • affected 3.1.0 p7
    • affected 3.3.0
    • affected 3.2.0 p3
    • affected 3.2.0 p4
    • affected 3.1.0 p8
    • affected 3.2.0 p5
    • affected 3.2.0 p6
    • affected 3.1.0 p9
    • affected 3.3 Patch 2
    • affected 3.3 Patch 1
    • affected 3.3 Patch 3
    • affected 3.4.0
    • affected 3.2.0 p7
  • Cisco · Cisco ISE Passive Identity Connector

    • affected 3.3.0
    • affected 3.4.0

What to do

Exploitation: The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.

References

1

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2025-20331 badge
[![CVE-2025-20331](https://cveledger.app/badge/CVE-2025-20331.svg)](https://cveledger.app/cve/CVE-2025-20331)

Record last updated .