What’s Vulnerable › Vulnerabilities

CVE-2021-42056

• Severity: medium (CVSS 6.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-06-24 · updated 2026-06-17
• Weakness: CWE-59

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 products

• Thales SafeNet Authentication Client: through 10.7.7

References

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

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