CVE-2025-71323

EUVD-2025-210270
picklescan before 0.0.33 fails to block the ctypes module, allowing attackers to achieve remote code execution by invoking direct syscalls and accessing raw memory. Attackers can craft malicious pickle files using ctypes.WinDLL to load kernel32.dll and execute arbitrary commands, bypassing sandbox protections and gadget chain detection.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
References
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-4675-36f9-wf6r
https://www.vulncheck.com/advisories/picklescan-remote-code-execution-via-unblocked-ctypes-module
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-4675-36f9-wf6r