CVE-2014-6271
GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables, which allows remote attackers to execute arbitrary code via a crafted environment, as
02 Description
GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables, which allows remote attackers to execute arbitrary code via a crafted environment, as
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2022-01-28. Federal remediation due 2022-07-28.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 99.99% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 99.9% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Critical. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2014-09-24 18:00Z12 YR AGO
- Last updated
- 2025-10-22 00:05Z1 YR AGO
- Reserved
- 2014-09-09
- Assigning CNA
- debian
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base
- Data version
- 5.1
- Document digest
- 10368313161c8b5dcaaca40af14f8c1cff9b0656acd2cdb3fed040f223c3947d
05 Affected products
30 further entries not shown. The complete list is in the raw JSON document.
06 References
- www.exploit-db.com37816https://www.exploit-db.com/exploits/37816/
- packetstormsecurity.comhttp://packetstormsecurity.com/files/128517/VMware-Security-Advisory-2014-0010.html
- lists.opensuse.orgSUSE-SU-2014:1223http://lists.opensuse.org/opensuse-security-announce/2014-09/msg00034.html
- www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=ssg1S1004897
- www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=swg21685749
- marc.infoHPSBMU03165http://marc.info/?l=bugtraq&m=141577137423233&w=2
- marc.infoSSRT101816http://marc.info/?l=bugtraq&m=142719845423222&w=2
- www.exploit-db.com39918https://www.exploit-db.com/exploits/39918/
- marc.infoHPSBHF03119http://marc.info/?l=bugtraq&m=141216668515282&w=2
- rhn.redhat.comRHSA-2014:1295http://rhn.redhat.com/errata/RHSA-2014-1295.html
- lists.opensuse.orgopenSUSE-SU-2014:1226http://lists.opensuse.org/opensuse-security-announce/2014-09/msg00037.html
- securityblog.redhat.comhttps://securityblog.redhat.com/2014/09/24/bash-specially-crafted-environment-variables-code-injection-attack/
- supportcenter.checkpoint.comhttps://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk102673&src=securityAlerts
- marc.infoHPSBST03131http://marc.info/?l=bugtraq&m=141383138121313&w=2
- marc.infoSSRT101819http://marc.info/?l=bugtraq&m=142721162228379&w=2
- www.securityfocus.com20141001 NEW VMSA-2014-0010 - VMware product updates address critical Bash security vulnerabilitieshttp://www.securityfocus.com/archive/1/533593/100/0/threaded
- marc.infoHPSBMU03245http://marc.info/?l=bugtraq&m=142358026505815&w=2
- www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=swg21686084
- www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=swg21686479
- secunia.com61188http://secunia.com/advisories/61188
- www.websense.comhttp://www.websense.com/support/article/kbarticle/Vulnerabilities-resolved-in-TRITON-APX-Version-8-0
- jvn.jpJVN#55667175http://jvn.jp/en/jp/JVN55667175/index.html
- secunia.com61676http://secunia.com/advisories/61676
- www.exploit-db.com40619https://www.exploit-db.com/exploits/40619/
- lists.opensuse.orgopenSUSE-SU-2014:1254http://lists.opensuse.org/opensuse-security-announce/2014-09/msg00044.html
- secunia.com60433http://secunia.com/advisories/60433
- www.exploit-db.com38849https://www.exploit-db.com/exploits/38849/
- marc.infoHPSBMU03143http://marc.info/?l=bugtraq&m=141383026420882&w=2
- marc.infoHPSBMU03182http://marc.info/?l=bugtraq&m=141585637922673&w=2
- kb.juniper.nethttp://kb.juniper.net/InfoCenter/index?page=content&id=JSA10673
- lists.opensuse.orgSUSE-SU-2014:1260http://lists.opensuse.org/opensuse-security-announce/2014-09/msg00049.html
- marc.infoHPSBST03155http://marc.info/?l=bugtraq&m=141576728022234&w=2
- www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=swg21685541
- secunia.com61715http://secunia.com/advisories/61715
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/bashcve-2014-7169-2317675.html
- secunia.com61816http://secunia.com/advisories/61816
- lists.opensuse.orgopenSUSE-SU-2014:1310http://lists.opensuse.org/opensuse-updates/2014-10/msg00025.html
- secunia.com61442http://secunia.com/advisories/61442
- marc.infoHPSBMU03246http://marc.info/?l=bugtraq&m=142358078406056&w=2
- marc.infoHPSBST03195http://marc.info/?l=bugtraq&m=142805027510172&w=2
- secunia.com61283http://secunia.com/advisories/61283
- marc.infoSSRT101711http://marc.info/?l=bugtraq&m=142113462216480&w=2
- www.ubuntu.comUSN-2362-1http://www.ubuntu.com/usn/USN-2362-1
- kc.mcafee.comhttps://kc.mcafee.com/corporate/index?page=content&id=SB10085
- lists.opensuse.orgopenSUSE-SU-2014:1308http://lists.opensuse.org/opensuse-updates/2014-10/msg00023.html
- secunia.com61654http://secunia.com/advisories/61654
- secunia.com61542http://secunia.com/advisories/61542
- www.novell.comhttp://www.novell.com/support/kb/doc.php?id=7015701
- www-947.ibm.comhttp://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5096315
- secunia.com62312http://secunia.com/advisories/62312
- secunia.com59272http://secunia.com/advisories/59272
- marc.infoHPSBST03122http://marc.info/?l=bugtraq&m=141319209015420&w=2
- support.f5.comhttps://support.f5.com/kb/en-us/solutions/public/15000/600/sol15629.html
- marc.infoHPSBMU03217http://marc.info/?l=bugtraq&m=141879528318582&w=2
- www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=swg21685604
- marc.infoSSRT101868http://marc.info/?l=bugtraq&m=142118135300698&w=2
- secunia.com61703http://secunia.com/advisories/61703
- support.apple.comhttp://support.apple.com/kb/HT6495
- www.kb.cert.orgVU#252743http://www.kb.cert.org/vuls/id/252743
- secunia.com61065http://secunia.com/advisories/61065
- lists.opensuse.orgSUSE-SU-2014:1213http://lists.opensuse.org/opensuse-security-announce/2014-09/msg00029.html
- marc.infoHPSBST03129http://marc.info/?l=bugtraq&m=141383196021590&w=2
- marc.infoHPSBMU03144http://marc.info/?l=bugtraq&m=141383081521087&w=2
- www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=swg21686445
- www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=swg21686131
- www.securityfocus.com70103http://www.securityfocus.com/bid/70103
- jvndb.jvn.jpJVNDB-2014-000126http://jvndb.jvn.jp/jvndb/JVNDB-2014-000126
- www.us-cert.govTA14-268Ahttp://www.us-cert.gov/ncas/alerts/TA14-268A
- lists.opensuse.orgSUSE-SU-2014:1212http://lists.opensuse.org/opensuse-security-announce/2014-09/msg00028.html
- secunia.com61641http://secunia.com/advisories/61641
- kb.juniper.nethttps://kb.juniper.net/InfoCenter/index?page=content&id=JSA10648
- access.redhat.comhttps://access.redhat.com/node/1200223
- packetstormsecurity.comhttp://packetstormsecurity.com/files/137376/IPFire-Bash-Environment-Variable-Injection-Shellshock.html
- lists.opensuse.orgSUSE-SU-2014:1287http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00004.html
- www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=ssg1S1004898
- archives.neohapsis.comAPPLE-SA-2014-10-16-1http://archives.neohapsis.com/archives/bugtraq/2014-10/0101.html
- www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=swg21685914
- seclists.org20141001 FW: NEW VMSA-2014-0010 - VMware product updates address critical Bash security vulnerabilitieshttp://seclists.org/fulldisclosure/2014/Oct/0
- www.mandriva.comMDVSA-2015:164http://www.mandriva.com/security/advisories?name=MDVSA-2015:164
- rhn.redhat.comRHSA-2014:1293http://rhn.redhat.com/errata/RHSA-2014-1293.html
- support.hpe.comhttps://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c04497075
- lists.opensuse.orgopenSUSE-SU-2014:1238http://lists.opensuse.org/opensuse-security-announce/2014-09/msg00040.html
- secunia.com60325http://secunia.com/advisories/60325
- help.ecostruxureit.comhttps://help.ecostruxureit.com/display/public/UADCO8x/StruxureWare+Data+Center+Operation+Software+Vulnerability+Fixes
- secunia.com60024http://secunia.com/advisories/60024
- packetstormsecurity.comhttp://packetstormsecurity.com/files/128567/CA-Technologies-GNU-Bash-Shellshock.html
- www.exploit-db.com34879https://www.exploit-db.com/exploits/34879/
- access.redhat.comhttps://access.redhat.com/articles/1200223
- secunia.com62343http://secunia.com/advisories/62343
- secunia.com61565http://secunia.com/advisories/61565
- www.suse.comhttps://www.suse.com/support/shellshock/
- marc.infoHPSBST03157http://marc.info/?l=bugtraq&m=141450491804793&w=2
- secunia.com61313http://secunia.com/advisories/61313
- secunia.com61873http://secunia.com/advisories/61873
- secunia.com61485http://secunia.com/advisories/61485
- secunia.com60947http://secunia.com/advisories/60947
- support.hpe.comhttps://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c04518183
- support.apple.comhttps://support.apple.com/kb/HT6535
- marc.infoHPSBST03154http://marc.info/?l=bugtraq&m=141577297623641&w=2
- marc.infoHPSBST03265http://marc.info/?l=bugtraq&m=142546741516006&w=2
- www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=isg3T1021272
- marc.infoHPSBGN03142http://marc.info/?l=bugtraq&m=141383244821813&w=2
- secunia.com61312http://secunia.com/advisories/61312
- secunia.com60193http://secunia.com/advisories/60193
- www.vmware.comhttp://www.vmware.com/security/advisories/VMSA-2014-0010.html
- linux.oracle.comhttp://linux.oracle.com/errata/ELSA-2014-1294.html
- secunia.com60063http://secunia.com/advisories/60063
- packetstormsecurity.comhttp://packetstormsecurity.com/files/128573/Apache-mod_cgi-Remote-Command-Execution.html
- secunia.com60034http://secunia.com/advisories/60034
- marc.infoHPSBMU03133http://marc.info/?l=bugtraq&m=141330425327438&w=2
- lcamtuf.blogspot.comhttp://lcamtuf.blogspot.com/2014/09/quick-notes-about-bash-bug-its-impact.html
- secunia.com59907http://secunia.com/advisories/59907
- secunia.com58200http://secunia.com/advisories/58200
- marc.infoHPSBST03181http://marc.info/?l=bugtraq&m=141577241923505&w=2
- secunia.com61643http://secunia.com/advisories/61643
- www.novell.comhttp://www.novell.com/support/kb/doc.php?id=7015721
- www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=swg21687079
- secunia.com61503http://secunia.com/advisories/61503
- www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=swg21686246
- rhn.redhat.comRHSA-2014:1354http://rhn.redhat.com/errata/RHSA-2014-1354.html
- www.exploit-db.com40938https://www.exploit-db.com/exploits/40938/
- marc.infoHPSBGN03117http://marc.info/?l=bugtraq&m=141216207813411&w=2
- support.novell.comhttp://support.novell.com/security/cve/CVE-2014-6271.html
- www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=ssg1S1004915
- secunia.com61547http://secunia.com/advisories/61547
- marc.infoHPSBHF03145http://marc.info/?l=bugtraq&m=141383465822787&w=2
- www.qnap.comhttp://www.qnap.com/i/en/support/con_show.php?cid=61
- marc.infoHPSBST03148http://marc.info/?l=bugtraq&m=141694386919794&w=2
- secunia.com61552http://secunia.com/advisories/61552
- secunia.com61780http://secunia.com/advisories/61780
- www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=isg3T1021279
- support.citrix.comhttps://support.citrix.com/article/CTX200223
- www.debian.orgDSA-3032http://www.debian.org/security/2014/dsa-3032
- www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=swg21686447
- secunia.com62228http://secunia.com/advisories/62228
- marc.infoHPSBGN03138http://marc.info/?l=bugtraq&m=141330468527613&w=2
- secunia.com61855http://secunia.com/advisories/61855
- marc.infoHPSBHF03124http://marc.info/?l=bugtraq&m=141235957116749&w=2
- secunia.com60044http://secunia.com/advisories/60044
- secunia.com61291http://secunia.com/advisories/61291
- rhn.redhat.comRHSA-2014:1294http://rhn.redhat.com/errata/RHSA-2014-1294.html
- marc.infoHPSBHF03125http://marc.info/?l=bugtraq&m=141345648114150&w=2
- secunia.com59737http://secunia.com/advisories/59737
- secunia.com61287http://secunia.com/advisories/61287
- marc.infoHPSBHF03146http://marc.info/?l=bugtraq&m=141383353622268&w=2
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1141597
- secunia.com61711http://secunia.com/advisories/61711
- www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=isg3T1021361
- marc.infoHPSBGN03141http://marc.info/?l=bugtraq&m=141383304022067&w=2
- advisories.mageia.orghttp://advisories.mageia.org/MGASA-2014-0388.html
- secunia.com61128http://secunia.com/advisories/61128
- support.citrix.comhttps://support.citrix.com/article/CTX200217
- secunia.com61471http://secunia.com/advisories/61471
- secunia.com60055http://secunia.com/advisories/60055
- tools.cisco.com20140926 GNU Bash Environmental Variable Command Injection Vulnerabilityhttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140926-bash
- secunia.com61550http://secunia.com/advisories/61550
- secunia.com61633http://secunia.com/advisories/61633
- linux.oracle.comhttp://linux.oracle.com/errata/ELSA-2014-1293.html
- www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=swg21686494
- kb.bluecoat.comhttps://kb.bluecoat.com/index?page=content&id=SA82
- secunia.com61328http://secunia.com/advisories/61328
- www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=swg21685733
- www.exploit-db.com42938https://www.exploit-db.com/exploits/42938/
- secunia.com61129http://secunia.com/advisories/61129
- secunia.com61700http://secunia.com/advisories/61700
- secunia.com61603http://secunia.com/advisories/61603
- secunia.com61857http://secunia.com/advisories/61857
- www-01.ibm.comhttp://www-01.ibm.com/support/docview.wss?uid=ssg1S1004879
- packetstormsecurity.comhttp://packetstormsecurity.com/files/161107/SonicWall-SSL-VPN-Shellshock-Remote-Code-Execution.html
- www.arista.comhttps://www.arista.com/en/support/advisories-notices/security-advisories/1008-security-advisory-0006
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-6271
07 Fixed in
Debian 12
- bash Fixed in 4.3-9.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- bash Fixed in 4.3-9.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- bash Fixed in 4.3-9.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- bash Fixed in 4.3-7ubuntu1.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.