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CVE-2021-26678

MEDIUMCVSS 6.1/10EPSS 0.87%

Last modified

CVE-2021-26678 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A remote unauthenticated stored cross-site scripting (XSS) vulnerability was discovered in Aruba ClearPass Policy Manager version(s): Prior to 6.9.5, 6.8.8-HF1, 6.7.14-HF1. A vulnerability in the web-based management interface of ClearPass could allow an unauthenticated remote attacker to conduct a stored cross-site scripting (XSS) attack against an administrative user of the interface. EPSS estimates a 0.87% chance of exploitation in the next 30 days.

Description

A remote unauthenticated stored cross-site scripting (XSS) vulnerability was discovered in Aruba ClearPass Policy Manager version(s): Prior to 6.9.5, 6.8.8-HF1, 6.7.14-HF1. A vulnerability in the web-based management interface of ClearPass could allow an unauthenticated remote attacker to conduct a stored cross-site scripting (XSS) attack against an administrative user of the interface. A successful exploit could allow an attacker to execute arbitrary script code in a victim’s browser in the context of the affected interface.

Metrics

CVSS 3.1
6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability
0.87%

54.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ArubanetworksClearpass Policy Manager< 6.7.14
ArubanetworksClearpass Policy Manager>= 6.8.0, < 6.8.6
ArubanetworksClearpass Policy Manager>= 6.9.0, < 6.9.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-26678?
A remote unauthenticated stored cross-site scripting (XSS) vulnerability was discovered in Aruba ClearPass Policy Manager version(s): Prior to 6.9.5, 6.8.8-HF1, 6.7.14-HF1. A vulnerability in the web-based management interface of ClearPass could allow an unauthenticated remote attacker to conduct a stored cross-site scripting (XSS) attack against an administrative user of the interface. A successful exploit could allow an attacker to execute arbitrary script code in a victim’s browser in the context of the affected interface.
How severe is CVE-2021-26678?
CVE-2021-26678 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.87% probability of exploitation in the next 30 days.
How do I fix CVE-2021-26678?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-26678?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST