CVE-2013-6421

NONECVSS 0.0

0.0

The unpack_zip function in archive_unpacker.rb in the sprout gem 0.7.246 for Ruby allows context-dependent attackers to execute arbitrary commands via shell metacharacters in a (1) filename or (2) path.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 79.5%
KEV: Not listed

Published

December 12, 2013

Last Modified

April 29, 2026

References (8)

secalert@redhathttp://archives.neohapsis.com/archives/bugtraq/2013-12/0077.html
secalert@redhathttp://vapid.dhs.org/advisories/sprout-0.7.246-command-inj.html
secalert@redhathttp://www.openwall.com/lists/oss-security/2013/12/03/1
secalert@redhathttp://www.openwall.com/lists/oss-security/2013/12/03/6
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/bugtraq/2013-12/0077.html
af854a3a-2127-422b-91ae-364da2661108http://vapid.dhs.org/advisories/sprout-0.7.246-command-inj.html
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2013/12/03/1
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2013/12/03/6

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
rubygems	sprout	—	ghsa

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

(1 across 1 ecosystem)

RubyGems(1)

Package	Vulnerable range	Fixed in	Dependents
sprout	0.7.246	—	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-94Improper Control of Generation of Code (Code Injection)

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 22:44 UTCepss_batch
2026-06-05 22:44 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-04 13:09 UTCepss_batch
2026-06-04 13:09 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 21:16 UTCEG score recompute
2026-05-28 21:16 UTCGHSA enrichment
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch

Frequently asked(4)

What is CVE-2013-6421?

CVE-2013-6421 is a none vulnerability published on December 12, 2013. The unpackzip function in archiveunpacker.rb in the sprout gem 0.7.246 for Ruby allows context-dependent attackers to execute arbitrary commands via shell metacharacters in a (1) filename or (2) path.

When was CVE-2013-6421 disclosed?

CVE-2013-6421 was first published in the National Vulnerability Database on December 12, 2013, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2013-6421 actively exploited?

CVE-2013-6421 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 79.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2013-6421?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2013-6421, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2013-6421

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CVE-2013-6421

📅 Published

🔄 Last Modified

🔗 References (8)