CVE-2021-42056
Last modified
CVE-2021-42056 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. 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.. EPSS estimates a 1.02% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Thalesgroup | Safenet Authentication Client | <= 10.7.7 |
References
- https://github.com/z00z00z00/Safenet_SAC_CVE-2021-42056Exploit, Third Party Advisory
- https://github.com/z00z00z00/Safenet_SAC_CVE-2021-42056Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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