Is CVE-2021-26684 in the CISA KEV catalog?

No. CVE-2021-26684 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-26684?

CVE-2021-26684 has a CVSS v3 base score of 7.2 (HIGH).

What is the EPSS score for CVE-2021-26684?

CVE-2021-26684 has an EPSS score of 2.45% (82th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-26684?

Upgrade clearpass policy manager to 6.9.5 or later.

CVE & CISA-KEV Catalog

CVE-2021-26684

HIGHEPSS 82th pctl

7.2

CVSS v3

NVD

Description

A remote authenticated command injection 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 ClearPass web-based management interface allows remote authenticated users to run arbitrary commands on the underlying host. A successful exploit could allow an attacker to execute arbitrary commands as root on the underlying operating system leading to complete system compromise.

CWE-78OS Command Injection

How to fix

Remediation Available

clearpass policy managerNVD

Affected:>= 6.9.0, < 6.9.5Fixed in:6.9.5CVE-2021-26684derived 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

2.45%probability of exploitation in 30 days

82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Vendor Advisory1

arubanetworks.com

Related Vulnerabilities

Other CWE-78 (OS Command Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-1498	Critical	9.8	100%	KEV	Fix
CVE-2014-6271	Critical	9.8	100%	KEV	Fix
CVE-2019-16920	Critical	9.8	100%	KEV	-
CVE-2022-44877	Critical	9.8	100%	KEV	Fix
CVE-2020-8515	Critical	9.8	100%	KEV	-
CVE-2020-9054	Critical	9.8	100%	KEV	Fix

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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.