AUGUST 4, 2026
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Case File

CVE-2021-32840

HIGH · CVSS 7.3 EPSS 1.97% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-01-26 · 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.

Detected Signals
code execution
GitHub PoC Links
github.com ↗ github.com ↗ securitylab.github.com ↗

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

CVE
CVE-2021-32840
Severity
HIGH
CVSS
7.3
EPSS
1.97%

Original NVD Description

SharpZipLib (or #ziplib) is a Zip, GZip, Tar and BZip2 library. Prior to version 1.3.3, a TAR file entry `../evil.txt` may be extracted in the parent directory of `destFolder`. This leads to arbitrary file write that may lead to code execution. The vulnerability was patched in version 1.3.3.