CVE-2021-26677

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-02-23 · updated 2026-06-17

Description

A local authenticated escalation of privilege 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 ClearPass OnGuard could allow local authenticated users on a Windows platform to elevate their privileges. A successful exploit could allow an attacker to execute arbitrary code with SYSTEM level privileges.

Affected products

Aruba ClearPass Policy Manager: before 6.7.14; from 6.8.0 before 6.8.7; from 6.9.0 before 6.9.2 — fixed in 6.7.14, 6.8.7, 6.9.2

How to fix

Upgrade to a fixed version: Aruba ClearPass Policy Manager 6.7.14, 6.8.7, 6.9.2. Check the vendor advisory for mitigations.

References

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