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Vulnerability details: VCID-5p43-mh31-cudd
Vulnerability ID VCID-5p43-mh31-cudd
Aliases CVE-2013-6421
GHSA-229r-pqp6-8w6g
OSV-100598
Summary Command injection vulnerability The `unpack_zip` function in `archive_unpacker.rb` in the sprout gem for Ruby allows context-dependent attackers to execute arbitrary commands via shell metacharacters in a filename or path.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-94 Improper Control of Generation of Code ('Code Injection')
System Score Found at
generic_textual HIGH http://archives.neohapsis.com/archives/bugtraq/2013-12/0077.html
epss 0.01228 https://api.first.org/data/v1/epss?cve=CVE-2013-6421
generic_textual HIGH https://github.com/lukebayes/project-sprouts
generic_textual HIGH https://github.com/rubysec/ruby-advisory-db/blob/master/gems/sprout/CVE-2013-6421.yml
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2013-6421
generic_textual HIGH http://vapid.dhs.org/advisories/sprout-0.7.246-command-inj.html
generic_textual HIGH http://www.openwall.com/lists/oss-security/2013/12/03/1
generic_textual HIGH http://www.openwall.com/lists/oss-security/2013/12/03/6
Reference id Reference type URL
http://archives.neohapsis.com/archives/bugtraq/2013-12/0077.html
http://cxsecurity.com/issue/WLB-2013120023
https://api.first.org/data/v1/epss?cve=CVE-2013-6421
https://github.com/lukebayes/project-sprouts
https://github.com/lukebayes/project-sprouts/blob/e8e6c60438cd1a4d598645760b00ea005eb1cc2c/lib/sprout/archive_unpacker.rb#L90
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/sprout/CVE-2013-6421.yml
https://nvd.nist.gov/vuln/detail/CVE-2013-6421
http://vapid.dhs.org/advisories/sprout-0.7.246-command-inj.html
http://www.openwall.com/lists/oss-security/2013/12/03/1
http://www.openwall.com/lists/oss-security/2013/12/03/6
No exploits are available.
Exploit Prediction Scoring System (EPSS)
Percentile 0.79486
EPSS Score 0.01228
Published At June 4, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-02T04:36:12.574427+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/gem/sprout/CVE-2013-6421.yml 38.6.0