CVE-2021-23177

HIGH
7.8
CVSS Score
Published: August 23, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 03:38 AM UTC
13 products affected across 4 vendorsDebian LinuxFedoraEnterprise Linux

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Severity
HIGH7.8
Exploit prediction
EPSS 0.4%

Description

An improper link resolution flaw while extracting an archive can lead to changing the access control list (ACL) of the target of the link. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to change the ACL of a file on the system and gain more privileges.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 3.5.2
Vendor states this is fixed in 3.5.2 (unaffected)
All versions
redhat-enterprise-linux (environment) · redhat-enterprise-linux-eus (environment) · redhat-enterprise-linux-for-ibm-z-systems (environment) · redhat-enterprise-linux-for-ibm-z-systems-eus (environment) · redhat-enterprise-linux-for-power-little-endian (environment) · redhat-enterprise-linux-for-power-little-endian-eus (environment)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-59

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