CVE-2025-71323

CRITICAL
INFO Priority: 0.09 BB Relevance: 79/100
Published: 2026-06-17 Modified: 2026-11-08 First seen: 2026-11-08 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
AT: None
VC: High
VI: High
VA: High

Description

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.

Affected Software (1)

VendorProductVersion
picklescan picklescan 0 < 0.0.33

Bug Bounty Relevance

79 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.3 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS — Exploitation Probability

0.99%
Raw Score 0.009910
Percentile 63.1%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00991
2026-11-12
0.00991
2026-11-10
0.00991
2026-11-09
0.00991
2026-11-08
0.00991

Intelligence Sources

mitre ref →