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Case File

CVE-2021-30501

MEDIUM · CVSS 5.5 EPSS 1.04% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-05-27 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

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

GitHub PoC Links
github.com ↗ github.com ↗ github.com ↗

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

CVE
CVE-2021-30501
Severity
MEDIUM
CVSS
5.5
EPSS
1.04%

Original NVD Description

An assertion abort was found in upx MemBuffer::alloc() in mem.cpp, in version UPX 4.0.0. The flow allows attackers to cause a denial of service (abort) via a crafted file.