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Case File

CVE-2021-4217

LOW · CVSS 3.3 EPSS 0.58% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-08-24 · Last synced 2026-08-04

CyberRota Analysis

This is a low severity vulnerability with a CVSS score of 3.3. 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
code execution

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

CVE
CVE-2021-4217
Severity
LOW
CVSS
3.3
EPSS
0.58%

Original NVD Description

A flaw was found in unzip. The vulnerability occurs due to improper handling of Unicode strings, which can lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.

Related CVEs

Other vulnerabilities affecting the same vendor(s)