# CVE-2014-6278

## Summary

- **CVE ID:** CVE-2014-6278
- **Severity:** HIGH
- **CVSS Score:** 8.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
- **CWE:** N/A
- **Published:** Sep 30, 2014
- **Last Modified:** Sep 16, 2026

## Description

GNU Bash through 4.3 bash43-026 does not properly parse function definitions in the values of environment variables, which allows remote attackers to execute arbitrary commands 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, CVE-2014-7169, and CVE-2014-6277.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004897)
- [CNA](http://www-01.ibm.com/support/docview.wss?uid=swg21685749)
- [CNA](http://marc.info/?l=bugtraq&m=141577137423233&w=2)
- [CNA](https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk102673&src=securityAlerts)
- [CNA](http://linux.oracle.com/errata/ELSA-2014-3093)
- [CNA](http://marc.info/?l=bugtraq&m=142721162228379&w=2)
- [CNA](http://secunia.com/advisories/60193)
- [CNA](http://marc.info/?l=bugtraq&m=142358026505815&w=2)
- [CNA](http://www-01.ibm.com/support/docview.wss?uid=swg21686479)
- [CNA](http://jvn.jp/en/jp/JVN55667175/index.html)
- [CNA](http://secunia.com/advisories/60433)
- [CNA](http://marc.info/?l=bugtraq&m=141383026420882&w=2)
- [CNA](http://marc.info/?l=bugtraq&m=141585637922673&w=2)
- [CNA](http://packetstormsecurity.com/files/137344/Sun-Secure-Global-Desktop-Oracle-Global-Desktop-Shellshock.html)
- [CNA](http://marc.info/?l=bugtraq&m=141576728022234&w=2)
- [CNA](http://www-01.ibm.com/support/docview.wss?uid=swg21685541)
- [CNA](http://www.oracle.com/technetwork/topics/security/bashcve-2014-7169-2317675.html)
- [CNA](http://secunia.com/advisories/61816)
- [CNA](http://lists.opensuse.org/opensuse-updates/2014-10/msg00025.html)
- [CNA](http://secunia.com/advisories/61442)
- [CNA](http://marc.info/?l=bugtraq&m=142358078406056&w=2)
- [CNA](http://secunia.com/advisories/61283)
- [CNA](https://kc.mcafee.com/corporate/index?page=content&id=SB10085)
- [CNA](http://secunia.com/advisories/61654)
- [CNA](http://www.ubuntu.com/usn/USN-2380-1)
- [CNA](http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5096315)
- [CNA](http://secunia.com/advisories/62312)
- [CNA](https://support.f5.com/kb/en-us/solutions/public/15000/600/sol15629.html)
- [CNA](http://marc.info/?l=bugtraq&m=141879528318582&w=2)
- [CNA](https://security-tracker.debian.org/tracker/CVE-2014-6278)
- [CNA](http://www-01.ibm.com/support/docview.wss?uid=swg21685604)
- [CNA](http://marc.info/?l=bugtraq&m=142118135300698&w=2)
- [CNA](http://secunia.com/advisories/61703)
- [CNA](http://secunia.com/advisories/61065)
- [CNA](http://marc.info/?l=bugtraq&m=141383196021590&w=2)
- [CNA](http://marc.info/?l=bugtraq&m=141383081521087&w=2)
- [CNA](http://www-01.ibm.com/support/docview.wss?uid=swg21686445)
- [CNA](http://www-01.ibm.com/support/docview.wss?uid=swg21686131)
- [CNA](http://jvndb.jvn.jp/jvndb/JVNDB-2014-000126)
- [CNA](http://secunia.com/advisories/61641)
- [CNA](https://www.exploit-db.com/exploits/39887/)
- [CNA](https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10648)
- [CNA](http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00004.html)
- [CNA](http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004898)
- [CNA](http://www-01.ibm.com/support/docview.wss?uid=swg21685914)
- [CNA](http://www.mandriva.com/security/advisories?name=MDVSA-2015:164)
- [CNA](https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c04497075)
- [CNA](http://secunia.com/advisories/60325)
- [CNA](http://secunia.com/advisories/60024)
- [CNA](http://packetstormsecurity.com/files/128567/CA-Technologies-GNU-Bash-Shellshock.html)
- [CNA](http://lcamtuf.blogspot.com/2014/10/bash-bug-how-we-finally-cracked.html)
- [CNA](http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140926-bash)
- [CNA](https://bugzilla.redhat.com/show_bug.cgi?id=1147414)
- [CNA](http://secunia.com/advisories/62343)
- [CNA](http://secunia.com/advisories/61565)
- [CNA](https://www.suse.com/support/shellshock/)
- [CNA](http://marc.info/?l=bugtraq&m=141450491804793&w=2)
- [CNA](http://secunia.com/advisories/61313)
- [CNA](http://secunia.com/advisories/61485)
- [CNA](https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c04518183)
- [CNA](http://marc.info/?l=bugtraq&m=141577297623641&w=2)
- [CNA](http://www-01.ibm.com/support/docview.wss?uid=isg3T1021272)
- [CNA](http://marc.info/?l=bugtraq&m=141383244821813&w=2)
- [CNA](http://secunia.com/advisories/61312)
- [CNA](http://linux.oracle.com/errata/ELSA-2014-3094)
- [CNA](http://www.vmware.com/security/advisories/VMSA-2014-0010.html)
- [CNA](http://secunia.com/advisories/60063)
- [CNA](http://secunia.com/advisories/60034)
- [CNA](http://secunia.com/advisories/59907)
- [CNA](http://secunia.com/advisories/58200)
- [CNA](http://marc.info/?l=bugtraq&m=141577241923505&w=2)
- [CNA](http://secunia.com/advisories/61643)
- [CNA](http://www.novell.com/support/kb/doc.php?id=7015721)
- [CNA](http://www-01.ibm.com/support/docview.wss?uid=swg21687079)
- [CNA](http://secunia.com/advisories/61503)
- [CNA](http://www-01.ibm.com/support/docview.wss?uid=swg21686246)
- [CNA](http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004915)
- [CNA](http://support.novell.com/security/cve/CVE-2014-6278.html)
- [CNA](http://marc.info/?l=bugtraq&m=141383465822787&w=2)
- [CNA](http://www.qnap.com/i/en/support/con_show.php?cid=61)
- [CNA](http://secunia.com/advisories/61552)
- [CNA](http://secunia.com/advisories/61780)
- [CNA](http://www-01.ibm.com/support/docview.wss?uid=isg3T1021279)
- [CNA](https://support.citrix.com/article/CTX200223)
- [CNA](https://www.exploit-db.com/exploits/39568/)
- [CNA](http://marc.info/?l=bugtraq&m=141330468527613&w=2)
- [CNA](http://secunia.com/advisories/60044)
- [CNA](http://secunia.com/advisories/61291)
- [CNA](http://marc.info/?l=bugtraq&m=141345648114150&w=2)
- [CNA](http://secunia.com/advisories/61287)
- [CNA](http://marc.info/?l=bugtraq&m=141383353622268&w=2)
- [CNA](http://www-01.ibm.com/support/docview.wss?uid=isg3T1021361)
- [CNA](http://marc.info/?l=bugtraq&m=141383304022067&w=2)
- [CNA](http://secunia.com/advisories/61128)
- [CNA](https://support.citrix.com/article/CTX200217)
- [CNA](http://secunia.com/advisories/61471)
- [CNA](http://secunia.com/advisories/60055)
- [CNA](http://secunia.com/advisories/59961)
- [CNA](http://secunia.com/advisories/61550)
- [CNA](http://secunia.com/advisories/61633)
- [CNA](http://lcamtuf.blogspot.com/2014/09/bash-bug-apply-unofficial-patch-now.html)
- [CNA](http://www-01.ibm.com/support/docview.wss?uid=swg21686494)
- [CNA](https://kb.bluecoat.com/index?page=content&id=SA82)
- [CNA](http://secunia.com/advisories/61328)
- [CNA](http://www-01.ibm.com/support/docview.wss?uid=swg21685733)
- [CNA](http://secunia.com/advisories/61129)
- [CNA](http://secunia.com/advisories/61603)
- [CNA](http://secunia.com/advisories/61857)
- [CNA](http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004879)
- [CNA](https://www.arista.com/en/support/advisories-notices/security-advisories/1008-security-advisory-0006)
- [CISA-ADP](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-6278)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 90.47%
- **EPSS Percentile:** 99.6

## Known Exploited Vulnerabilities (KEV)

- **Date Added:** Oct 2, 2025
- **Due Date:** Oct 23, 2025

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-19._