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Case File

CVE-2021-32559

MEDIUM · CVSS 6.5 EPSS 1.73% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-07-06 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.5. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-32559
Severity
MEDIUM
CVSS
6.5
EPSS
1.73%

Original NVD Description

An integer overflow exists in pywin32 prior to version b301 when adding an access control entry (ACE) to an access control list (ACL) that would cause the size to be greater than 65535 bytes. An attacker who successfully exploited this vulnerability could crash the vulnerable process.