Overview
GNU Bash contains an OS command injection vulnerability which allows remote attackers to execute arbitrary commands via a crafted environment.
This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: http://ftp.gnu.org/gnu/bash/bash-4.3-patches/bash43-027 ; https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/23467 ; https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140926-bash ; https://www.ibm.com/support/pages/security-bulletin-update-vulnerabilities-bash-affect-aix-toolbox-linux-applications-cve-2014-6271-cve-2014-6277-cve-2014-6278-cve-2014-7169-cve-2014-7186-and-cve-2014-7187 ; https://nvd.nist.gov/vuln/detail/CVE-2014-6278
Key Details
| Property | Value |
|---|
| CVE ID |
CVE-2014-6278 |
| Vendor / Product |
GNU — GNU Bash |
| NVD Published | 2014-09-30 |
| NVD Last Modified | 2025-10-22 |
| CVSS 3.1 Score | 8.8 |
| CVSS 3.1 Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| Severity | HIGH |
| CWE |
CWE-78
|
| CISA KEV Added | 2025-10-02 |
| CISA KEV Deadline | 2025-10-23 |
| Known Ransomware Use |
No |
CVSS 3.1 Breakdown
User Interaction
Required
Required Action
CISA BOD 22-01 Deadline: 2025-10-23.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Timeline
| Date | Event |
|---|
| 2025-10-02 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2025-10-23 | CISA BOD 22-01 remediation deadline |