Description
The Qualys Cloud Agent included a bundled uninstall script (qagent_uninstall.sh), specific to Mac and Linux supported versions that invoked multiple system commands without using absolute paths and without sanitizing the $PATH environment. If the uninstall script is executed with elevated privileges (e.g., via sudo) in an environment where $PATH has been manipulated, an attacker with root/sudo privileges could cause malicious executables to be run in place of the intended system binaries. This behavior can be leveraged for local privilege escalation and arbitrary command execution under elevated privileges.
Scores
CVSS v3
6.3
EPSS
0.0000
EPSS Percentile
0.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-426
Status
published
Products (11)
Qualys Inc/Qualys Agent
< 3.21.1-6
Qualys Inc/Qualys Agent
< 3.31.1-8
Qualys Inc/Qualys Agent
< 4.2.6
Qualys Inc/Qualys Agent
< 5.0.2
Qualys Inc/Qualys Agent
< 5.0.3
Qualys Inc/Qualys Agent
< 6.0.3
Qualys Inc/Qualys Agent
< 6.2.1
Qualys Inc/Qualys Agent
< 6.3.1
Qualys Inc/Qualys Agent
3.12 - 7.1.0
Qualys Inc/Qualys Agent
4.17 - 6.0.0
... and 1 more
Published
Nov 10, 2025
Tracked Since
Feb 18, 2026