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MEDIUM · 6.7

CVE-2021-42056

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 arbitrar...

Vulnerability 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.

CVSS Score

6.7

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
ThalesgroupSafenet Authentication Client<= 10.7.7
LinuxLinux Kernel-
MicrosoftWindows-

Related Weaknesses (CWE)

CWE-59

References

FAQ

What is CVE-2021-42056?

CVE-2021-42056 is a vulnerability with a CVSS score of 6.7 (MEDIUM). 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 arbitrar...

How severe is CVE-2021-42056?

CVE-2021-42056 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-42056?

Check the references section above for vendor advisories and patch information. Affected products include: Thalesgroup Safenet Authentication Client, Linux Linux Kernel, Microsoft Windows.