CVE-2014-7169
GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability
- Published
- Sep 25, 2014
- Updated
- Oct 22, 2025
- Assigning CNA
- mitre
- Evidence observed
- Sep 25, 2014
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HHigh · next 30 days
- Percentile
- 100.0%
- Model date
- Oct 15, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed function definitions in the values of environment variables, which allows remote attackers to write to files or possibly have unknown other impact via a crafted environment, as demonstrated by vectors involving the ForceCommand feature in OpenSSH sshd, the mod_cgi and mod_cgid modules in the Apache HTTP Server, scripts executed by unspecified DHCP clients, and other situations in which setting the environment occurs across a privilege boundary from Bash execution. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-6271.
Sources
- SHELL-SCHOCKExploit
CVE-2014-7169 Shell Shock
This contains the Dockerfile for building and reproduing shellshock
Collection of Proof of Concepts and Potential Targets for #ShellShocker
Responsible use
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