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CVE-2024-20487

Cisco Identity Services Engine Stored Cross-Site Scripting Vulnerabiliy

Medium4.3EPSS 0.29%
Published
Updated
Reserved
Assigned by
cisco

Description

A vulnerability in the web-based management interface of Cisco ISE 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 an affected device.

Timeline

  1. ID reserved

    By cisco

  2. · 12 months later

    Published

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-2024-20487, by who scored it
Scored byCVSSScoreVector
ciscoCNA (assigner)3.1Medium4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
NVDNVD · Analyzed3.1Medium5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS (exploitation in 30 days)
0.29% · top 78% of all CVEs (7 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 4.3.

Weakness

Affected products

  • Cisco · Cisco Identity Services Engine Software

    • affected 3.0.0
    • affected 3.0.0 p1
    • affected 3.0.0 p2
    • affected 3.0.0 p3
    • affected 3.1.0
    • affected 3.0.0 p4
    • affected 3.1.0 p1
    • affected 3.0.0 p5
    • affected 3.1.0 p3
    • affected 3.1.0 p2
    • affected 3.0.0 p6
    • 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 3.0.0 p7
    • 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 3.0.0 p8
    • 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

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.

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Record last updated .