CVE-2021-42056
6.7 · MEDIUMOverview
CVE-2021-42056 is a medium-severity vulnerability affecting thalesgroup safenet_authentication_client. It was published on June 24, 2022 and has a CVSS 3.1 base score of 6.7 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from thalesgroup. Update safenet_authentication_client to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| thalesgroup | safenet_authentication_client | 0 | Affected |
Frequently Asked Questions
What is CVE-2021-42056?
CVE-2021-42056 is a medium-severity vulnerability affecting thalesgroup safenet_authentication_client. It was published on June 24, 2022 and has a CVSS 3.1 base score of 6.7 (MEDIUM).
How severe is CVE-2021-42056?
This vulnerability has a CVSS 3.1 base score of 6.7, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-42056?
Check the references section for vendor advisories and patches from thalesgroup. Update safenet_authentication_client to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-42056?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-42056 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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