CVE-2021-42056

6.7 mediumEPSS 1.0%

Medium (6.7) in thalesgroup safenet authentication client. EPSS 1.0% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.7 medium

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-31)
CWE: CWE-59
Published: 2022-06-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

thalesgroup:safenet_authentication_client

References

https://github.com/z00z00z00/Safenet_SAC_CVE-2021-42056
https://github.com/z00z00z00/Safenet_SAC_CVE-2021-42056

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