SEPTEMBER 25, 2026
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Case File

CVE-2022-4170

CRITICAL · CVSS 9.8 EPSS 2.06% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-12-09 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

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

Detected Signals
remote code execution code execution

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

CVE
CVE-2022-4170
Severity
CRITICAL
CVSS
9.8
EPSS
2.06%

Original NVD Description

The rxvt-unicode package is vulnerable to a remote code execution, in the Perl background extension, when an attacker can control the data written to the user's terminal and certain options are set.

Related CVEs

Other vulnerabilities affecting the same vendor(s)