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CVE-2021-42056

MEDIUM
6.7
CVSS Score
Published: June 24, 2022 at 04:14 PM UTC
Updated: June 17, 2026 at 04:09 AM UTC
1 product affected across 1 vendorSafeNet Authentication Client· also runs on 2 platforms

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Severity
MEDIUM6.7
Exploit prediction
EPSS 1%

Description

Thales Safenet Authentication Client (SAC) for Linux and Windows through 10.7.7 creates insecure temporary hid and lock files allowing a local attacker, through a symlink attack, to overwrite arbitrary files, and potentially achieve arbitrary command execution with high privileges.

Affected

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

SafeNet Authentication Client· Thalesgroup
95%
v ≤ 10.7.7
linux-linux-kernel (environment) · microsoft-windows (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/z00z00z00/Safenet_SAC_CVE-2021-42056

CVSS

6.7MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-59

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