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CVE-2014-7169

GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed function definitions in the values of environment…

Description

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.

Exploited in the wild

CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Vulnerability.

Added
28 Jan 2022
Fix due (US federal)
28 Jul 2022
Used by ransomware
Not known

Apply updates per vendor instructions.

ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 28 Jan 2022.

Public exploit

An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list 15 Exploit-DB entries for it. A reference of the record is tagged as an exploit. CISA's SSVC rates its exploitation: it is being exploited.

Show the exploits16

Exploit-DB15 entries

References tagged exploit1 reference

Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from

Timeline

  1. ID reserved

    By mitre

  2. · 1 day later

    Published

  3. · 7 years later

    Added to CISA KEV

    Known exploited in the wild

  4. · 4 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2014-7169, by who scored it
Scored byCVSSScoreVector
CISA-ADPADP (enrichment)3.1Critical9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Analyzed3.1Critical9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
99.9% · top 0.1% of all CVEs (10 Nov 2026)
CISA SSVC
Exploitation: active · Automatable: yes · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.

Affected products

  • n/a

    • affected n/a

References

161

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .