Vulnerability Details : CVE-2021-42056
Potential exploit
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.
Products affected by CVE-2021-42056
- cpe:2.3:a:thalesgroup:safenet_authentication_client:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-42056
1.66%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 81 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-42056
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
6.7
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
0.8
|
5.9
|
NIST |
CWE ids for CVE-2021-42056
-
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-42056
-
https://github.com/z00z00z00/Safenet_SAC_CVE-2021-42056
GitHub - z00z00z00/Safenet_SAC_CVE-2021-42056: Safenet Authentication Client Privilege Escalation - CVE-2021-42056Exploit;Third Party Advisory
Jump to