CVSS v3.1 Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Prediction
Documented as more likely to be exploited than 99.6% of known CVEs.
Oct 02, 2025
Oct 23, 2025
Threat Analysis
GNU Bash contains an OS command injection vulnerability which allows remote attackers to execute arbitrary commands via a crafted environment.
Remediation Directive
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
External Intelligence
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://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://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://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
National Vulnerability Database
https://nvd.nist.gov/vuln/detail/CVE-2014-6278