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Case File

CVE-2021-38173

CRITICAL · CVSS 9.8 EPSS 3.16% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-07 · 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.

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

CVE
CVE-2021-38173
Severity
CRITICAL
CVSS
9.8
EPSS
3.16%

Original NVD Description

Btrbk before 0.31.2 allows command execution because of the mishandling of remote hosts filtering SSH commands using ssh_filter_btrbk.sh in authorized_keys.

Related CVEs

Other vulnerabilities affecting the same vendor(s)