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CVE-2014-6271: GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability
GNU Bourne-Again Shell (Bash) · in CISA KEV since 2022-01-28
2022-01-28added to KEV
2022-07-28federal remediation due date
100.00%EPSS exploit probability (30 days) 100.0th percentile
9.8 CRITICALCVSS 3.1
Unknownknown ransomware use
2,683days from NVD publication to KEV
What it is
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 (CISA)
Apply updates per vendor instructions.
| CWE | CWE-78 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD published | 2014-09-24 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2014-6271.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.