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Fencer Intel
high 7.5

CVE-2013-6421 json

sprout Arbitrary Code Execution vulnerability

published 12y ago modified 4mo ago also GHSA-229r-pqp6-8w6g , EUVD-2017-0147

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

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.

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Exploit prediction

1.97% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • openwall.com http://www.openwall.com/lists/oss-security/2013/12/03/1 referenced PoC, tagged "exploit" by a source, unverified
  • openwall.com http://www.openwall.com/lists/oss-security/2013/12/03/6 referenced PoC, tagged "exploit" by a source, unverified
  • vapid.dhs.org http://vapid.dhs.org/advisories/sprout-0.7.246-command-inj.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected packages

ecosystem package affected fixed in
rubygems sprout
1 listed version
 no fix listed

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.