CVE-2021-3560 vulnerability in Polkitproject and Other Products
Published on February 16, 2022
Known Exploited Vulnerability
This Red Hat Polkit Incorrect Authorization Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Red Hat Polkit contains an incorrect authorization vulnerability through the bypassing of credential checks for D-Bus requests, allowing for privilege escalation.
The following remediation steps are recommended / required by June 2, 2023: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2021-3560 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is an AuthZ Vulnerability?
The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
CVE-2021-3560 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2021-3560
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Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.