January 28, 2022 · Applied Cybernetics Group
CVE-2014-6271 — GNU Bourne-Again Shell (Bash)
GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability
- Added to KEV
2022-01-28- Federal due date
2022-07-28- Vendor
- GNU
- Product
- Bourne-Again Shell (Bash)
- EPSS
- 99.9th percentile (score 0.942, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2014-6271
CISA short description
GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables, which allows remote attackers to execute code.
Required action
Apply updates per vendor instructions.