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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…

Critical9.8Known exploitedEPSS 99.9%
Published
Updated
Reserved
Assigned by
mitre

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

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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 (4 Nov 2026)
CISA SSVC
Exploitation: active · Automatable: yes · Technical impact: total
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.

Weakness

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 .