Is CVE-2021-40991 in the CISA KEV catalog?

No. CVE-2021-40991 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-40991?

CVE-2021-40991 has a CVSS v3 base score of 7.2 (HIGH).

What is the EPSS score for CVE-2021-40991?

CVE-2021-40991 has an EPSS score of 1.22% (65th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-40991?

Upgrade clearpass policy manager to 6.10.2 or later.

CVE & CISA-KEV Catalog

CVE-2021-40991

HIGH

7.2

CVSS v3

NVD

Description

A remote disclosure of sensitive information vulnerability was discovered in Aruba ClearPass Policy Manager version(s): ClearPass Policy Manager 6.10.x prior to 6.10.2 - - ClearPass Policy Manager 6.9.x prior to 6.9.7-HF1 - - ClearPass Policy Manager 6.8.x prior to 6.8.9-HF1. Aruba has released patches for ClearPass Policy Manager that address this security vulnerability.

How to fix

Remediation Available

clearpass policy managerNVD

Affected:>= 6.10.0, < 6.10.2Fixed in:6.10.2CVE-2021-40991derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.22%probability of exploitation in 30 days

65thpercentile

Moderate risk: more likely to be exploited than 65% of all known CVEs.

References

Vendor Advisory1

arubanetworks.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.