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CVE-2024-20538

Cisco Identity Services Engine Cross-Site Scripting Vulnerability

6.1 Medium

A vulnerability in the web-based management interface of Cisco ISE could allow an unauthenticated, remote attacker to conduct an XSS attack against a user of the interface.

This vulnerability exists because the web-based management interface does not sufficiently validate user-supplied input. An attacker could exploit this vulnerability by persuading a user of the interface on an affected system to click a crafted link. 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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

0.34%Up 0.3 points since Nov 7, 2024
90%50%10%1%

What each source reports

CVE List Score used 6.1

Cisco Identity Services Engine Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco ISE could allow an unauthenticated, remote attacker to conduct an XSS attack against a user of the interface.

This vulnerability exists because the web-based management interface does not sufficiently validate user-supplied input. An attacker could exploit this vulnerability by persuading a user of the interface on an affected system to click a crafted link. 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.

Record
CVE-2024-20538
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02
EUVDEUVD-2024-18253 6.1

A vulnerability in the web-based management interface of Cisco ISE could allow an unauthenticated, remote attacker to conduct an XSS attack against a user of the interface.

This vulnerability exists because the web-based management interface does not sufficiently validate user-supplied input. An attacker could exploit this vulnerability by persuading a user of the interface on an affected system to click a crafted link. 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.

Record
EUVD-2024-18253
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-mwr4-4gh4-7m8j 6.1

A vulnerability in the web-based management interface of Cisco ISE could allow an unauthenticated...

A vulnerability in the web-based management interface of Cisco ISE could allow an unauthenticated, remote attacker to conduct an XSS attack against a user of the interface.

This vulnerability exists because the web-based management interface does not sufficiently validate user-supplied input. An attacker could exploit this vulnerability by persuading a user of the interface on an affected system to click a crafted link. 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.

Record
GHSA-mwr4-4gh4-7m8j
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02
NVD 6.1

A vulnerability in the web-based management interface of Cisco ISE could allow an unauthenticated, remote attacker to conduct an XSS attack against a user of the interface.

This vulnerability exists because the web-based management interface does not sufficiently validate user-supplied input. An attacker could exploit this vulnerability by persuading a user of the interface on an affected system to click a crafted link. 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.

Record
CVE-2024-20538
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-20538 is a medium vulnerability (CVSS 6.1) in Cisco Identity Services Engine, published November 6, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 27th percentile. No source names a fixed version.

References

MoveEnter Open