GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed function definitions in the values of environment variables, which allows remote attackers to write to files or possibly have unknown other impact 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
Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-01-28), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.
- Actively exploited in the wild (CISA-KEV)
A fix is available — apply it.
- CVSS v3
- 9.8
- EG Score
- 9.8(high)
- EG Risk
- 99(Act)EG Risk 99/100SSVC: Act
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity98% × 45%Exploitation100% × 40%Automatability100% × 15%Action: Fix now — active exploitation, automatable, high impact. - EPSS PROB
- 100%
- EPSS %ILE
- 100%
- KEV
- ⚠ Exploited
Published
September 25, 2014
Last Modified
April 22, 2026
Advisory Details (7)
Auto-updated Aug 26, 2026lcamtuf's old blog: Quick notes about the bash bug, its impact, and the fixes so far
http://lcamtuf.blogspot.com/2014/09/quick-notes-about-bash-bug-its-impact.htmlJVN#55667175: QNAP QTS vulnerable to OS command injection
http://jvn.jp/en/jp/JVN55667175/index.htmlMageia Advisory: MGASA-2014-0393 - Updated bash packages fix CVE-2014-7169
http://advisories.mageia.org/MGASA-2014-0393.htmlVendor Advisories for CVE-2014-7169(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(7)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | bash-static (4.3-7ubuntu1.2) @ trusty | 2026-08-26 | ubuntu |
| ubuntu | bash-static (4.3-7ubuntu1.3) @ trusty | 2026-08-26 | ubuntu |
| redhat | bash-0:3.2-32.el5_9.3.sjis.1 | 2014-11-17 | redhat |
| redhat | rhev-hypervisor6-0:6.5-20140930.1.el6ev | 2014-10-02 | redhat |
| redhat | bash-0:4.2.45-5.el7_0.4 | 2014-09-26 | redhat |
| redhat | bash-0:4.1.2-15.el6_4.2 | 2014-09-26 | redhat |
| redhat | bash-0:4.1.2-15.el6_5.1.sjis.2 | 2014-09-26 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(6 across 6 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| bash | — | 4.3-9.2 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| bash | — | 4.3-9.2 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| bash | — | 4.3-9.2 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| bash | — | 4.3-9.2 | — |
Debian:6.0(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| bash | 4.1-3 | 4.1-3+deb6u2 | — |
Debian:7(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| bash | 4.2+dfsg-0.1, 4.2+dfsg-0.1+deb7u1, 4.2+dfsg-0.1+deb7u2 | 4.2+dfsg-0.1+deb7u3 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(6)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
- Red HatRHSA-2014:1306IMPORTANT2014-09-24
RHSA-2014:1306 — Important
- Red HatRHSA-2014:1311IMPORTANT2014-09-24
RHSA-2014:1311 — Important
- Red HatRHSA-2014:1312IMPORTANT2014-09-24
RHSA-2014:1312 — Important
- Red HatRHSA-2014:1865IMPORTANT2014-09-24
RHSA-2014:1865 — Important
- UbuntuUSN-2363-1HIGH
Bash vulnerability
- UbuntuUSN-2363-2HIGH
Bash vulnerability
Data Freshness Timeline
(refreshed 87× in last 7d / 361× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 1,056 total refreshes for this CVE.
- 2026-08-26 08:11 UTCVendor advisory
- 2026-08-26 08:11 UTCGHSA enrichment
- 2026-08-26 03:57 UTCVendor advisory
- 2026-08-26 03:57 UTCGHSA enrichment
- 2026-08-25 23:44 UTCVendor advisory
- 2026-08-25 23:44 UTCGHSA enrichment
- 2026-08-25 19:30 UTCVendor advisory
- 2026-08-25 19:30 UTCGHSA enrichment
- 2026-08-25 15:16 UTCVendor advisory
- 2026-08-25 15:16 UTCGHSA enrichment
- 2026-08-25 11:03 UTCVendor advisory
- 2026-08-25 11:02 UTCGHSA enrichment
- 2026-08-25 06:49 UTCVendor advisory
- 2026-08-25 06:49 UTCGHSA enrichment
- 2026-08-25 02:35 UTCVendor advisory
- 2026-08-25 02:34 UTCGHSA enrichment
- 2026-08-24 22:19 UTCVendor advisory
- 2026-08-24 22:19 UTCGHSA enrichment
- 2026-08-24 18:52 UTCCISA KEV update
- 2026-08-24 18:05 UTCEG score recompute
- 2026-08-24 18:05 UTCVendor advisory
- 2026-08-24 18:05 UTCGHSA enrichment
- 2026-08-24 13:51 UTCVendor advisory
- 2026-08-24 13:51 UTCGHSA enrichment
- 2026-08-24 09:38 UTCVendor advisory
Show 75 moreShow fewer
- 2026-08-24 09:38 UTCGHSA enrichment
- 2026-08-24 05:24 UTCVendor advisory
- 2026-08-24 05:24 UTCGHSA enrichment
- 2026-08-24 01:10 UTCVendor advisory
- 2026-08-24 01:10 UTCGHSA enrichment
- 2026-08-23 20:56 UTCVendor advisory
- 2026-08-23 20:56 UTCGHSA enrichment
- 2026-08-23 16:42 UTCVendor advisory
- 2026-08-23 16:42 UTCGHSA enrichment
- 2026-08-23 12:28 UTCVendor advisory
- 2026-08-23 12:28 UTCGHSA enrichment
- 2026-08-23 08:15 UTCVendor advisory
- 2026-08-23 08:15 UTCGHSA enrichment
- 2026-08-23 04:01 UTCVendor advisory
- 2026-08-23 04:01 UTCGHSA enrichment
- 2026-08-22 23:48 UTCVendor advisory
- 2026-08-22 23:48 UTCGHSA enrichment
- 2026-08-22 19:34 UTCVendor advisory
- 2026-08-22 19:34 UTCGHSA enrichment
- 2026-08-22 15:20 UTCVendor advisory
- 2026-08-22 15:20 UTCGHSA enrichment
- 2026-08-22 11:06 UTCVendor advisory
- 2026-08-22 11:06 UTCGHSA enrichment
- 2026-08-22 06:52 UTCVendor advisory
- 2026-08-22 06:52 UTCGHSA enrichment
- 2026-08-22 02:38 UTCVendor advisory
- 2026-08-22 02:38 UTCGHSA enrichment
- 2026-08-21 22:24 UTCVendor advisory
- 2026-08-21 22:24 UTCGHSA enrichment
- 2026-08-21 18:10 UTCVendor advisory
- 2026-08-21 18:10 UTCGHSA enrichment
- 2026-08-21 16:49 UTCCISA KEV update
- 2026-08-21 13:56 UTCVendor advisory
- 2026-08-21 13:56 UTCGHSA enrichment
- 2026-08-21 09:42 UTCVendor advisory
- 2026-08-21 09:42 UTCGHSA enrichment
- 2026-08-21 05:29 UTCVendor advisory
- 2026-08-21 05:29 UTCGHSA enrichment
- 2026-08-21 01:15 UTCVendor advisory
- 2026-08-21 01:15 UTCGHSA enrichment
- 2026-08-20 21:02 UTCVendor advisory
- 2026-08-20 21:02 UTCGHSA enrichment
- 2026-08-20 17:06 UTCCISA KEV update
- 2026-08-20 16:47 UTCVendor advisory
- 2026-08-20 16:47 UTCGHSA enrichment
- 2026-08-20 12:33 UTCVendor advisory
- 2026-08-20 12:33 UTCGHSA enrichment
- 2026-08-20 08:20 UTCVendor advisory
- 2026-08-20 08:20 UTCGHSA enrichment
- 2026-08-20 04:06 UTCVendor advisory
- 2026-08-20 04:06 UTCGHSA enrichment
- 2026-08-19 23:53 UTCVendor advisory
- 2026-08-19 23:53 UTCGHSA enrichment
- 2026-08-19 19:39 UTCEG score recompute
- 2026-08-19 19:39 UTCVendor advisory
- 2026-08-19 19:39 UTCGHSA enrichment
- 2026-08-19 17:33 UTCCISA KEV update
- 2026-08-19 16:59 UTCEPSS rescore
- 2026-08-19 15:25 UTCVendor advisory
- 2026-08-19 15:25 UTCGHSA enrichment
- 2026-08-19 11:11 UTCVendor advisory
- 2026-08-19 11:11 UTCGHSA enrichment
- 2026-08-19 06:54 UTCVendor advisory
- 2026-08-19 06:54 UTCGHSA enrichment
- 2026-08-19 02:41 UTCVendor advisory
- 2026-08-19 02:41 UTCGHSA enrichment
- 2026-08-18 22:26 UTCVendor advisory
- 2026-08-18 22:26 UTCGHSA enrichment
- 2026-08-18 18:12 UTCVendor advisory
- 2026-08-18 18:12 UTCGHSA enrichment
- 2026-08-18 16:58 UTCCISA KEV update
- 2026-08-18 13:59 UTCVendor advisory
- 2026-08-18 13:58 UTCGHSA enrichment
- 2026-08-18 09:41 UTCVendor advisory
- 2026-08-18 09:41 UTCGHSA enrichment
Publicly available exploits
(10 references)Working exploit code is in the public domain (1 GitHub PoC) (9 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-36609First seen Apr 2, 2015
Kemp Load Master 7.1.16 - Multiple Vulnerabilities
Open source ↗ - Exploit-DBEDB-36503First seen Mar 26, 2015
QNAP - Admin Shell via Bash Environment Variable Code Injection (Metasploit)
Open source ↗ - Exploit-DBEDB-36504First seen Mar 26, 2015
QNAP - Web Server Remote Code Execution via Bash Environment Variable Code Injection (Metasploit)
Open source ↗ - Exploit-DBEDB-35146First seen Nov 3, 2014
PHP < 5.6.2 - 'Shellshock' Safe Mode / disable_functions Bypass / Command Injection
Open source ↗ - GitHub PoCchef-boneyard/bash-shellshockFirst seen Oct 31, 2014
DEPRECATED: Chef cookbook to audit & remediate "Shellshock" (BASH-CVE-2014-7169)
Open source ↗ - Exploit-DBEDB-35115✓ verifiedFirst seen Oct 29, 2014
CUPS Filter - Bash Environment Variable Code Injection (Metasploit)
Open source ↗ - Exploit-DBEDB-34895✓ verifiedFirst seen Oct 6, 2014
Bash CGI - 'Shellshock' Remote Command Injection (Metasploit)
Open source ↗ - Exploit-DBEDB-34896✓ verifiedFirst seen Oct 6, 2014
Postfix SMTP 4.2.x < 4.2.48 - 'Shellshock' Remote Command Injection
Open source ↗ - Exploit-DBEDB-34879First seen Oct 4, 2014
OpenVPN 2.2.29 - 'Shellshock' Remote Command Injection
Open source ↗ - Exploit-DBEDB-34860First seen Oct 2, 2014
GNU bash 4.3.11 - Environment Variable dhclient
Open source ↗
Past incidents using this CVE
(1)This CVE was central to one or more publicly-documented breaches. Each card links to authoritative reporting at the time of the incident.
- Shellshock (bash)Sep 2014
GNU bash environment-variable parsing flaw allowed remote command execution via CGI scripts, SSH, DHCP and Git. Affected millions of Unix systems.
Source: The Register
Related CVEs(same vendor + same CWE)
Same vendor
10 shownredhat
- CVE-2001-0825EG 10.0HIGH
- CVE-2001-1009EG 10.0EPSS p93HIGH
- CVE-2001-0554EG 10.0EPSS p98HIGH
- CVE-2001-1162EG 10.0EPSS p96HIGH
- CVE-2001-0414EG 10.0EPSS p100HIGH
- CVE-2001-0191EG 10.0EPSS p92HIGH
- CVE-2001-0301EG 10.0EPSS p91HIGH
- CVE-2001-0197EG 10.0EPSS p96HIGH
- CVE-2001-0233EG 10.0EPSS p96HIGH
- CVE-2001-0010EG 10.0EPSS p98HIGH
Same CWE
10 shownCWE-78
- CVE-2009-20011EG 10.0CRITICAL
- CVE-2011-10017EG 10.0CRITICAL
- CVE-2012-1166EG 10.0EPSS p91HIGH
- CVE-2012-2976EG 10.0EPSS p92HIGH
- CVE-2012-2953EG 10.0EPSS p99HIGH
- CVE-2011-4502EG 10.0EPSS p92HIGH
- CVE-2011-2148EG 10.0EPSS p92HIGH
- CVE-2011-0382EG 10.0EPSS p90HIGH
- CVE-2011-0381EG 10.0EPSS p92HIGH
- CVE-2011-0372EG 10.0HIGH
Frequently asked(6)
What is CVE-2014-7169?
When was CVE-2014-7169 disclosed?
Is CVE-2014-7169 actively exploited?
What is the CVSS score of CVE-2014-7169?
Which products are affected by CVE-2014-7169?
How do I remediate CVE-2014-7169?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2014-7169
Is Your Infrastructure Affected by CVE-2014-7169?
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