How severe is CVE-2013-6421?

CVE-2013-6421 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2013-6421 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-6421?

CVE-2013-6421 affects Projectsprouts Sprout. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-6421?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2013-6421 published?

CVE-2013-6421 was published on 2013-12-12 and last updated on 2026-06-17.

CVE-2013-6421

CVE-2013-6421 is a high-severity vulnerability in Projectsprouts Sprout with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Projectsprouts Sprout
Published: 2013-12-12
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2013-6421?: 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.
How severe is CVE-2013-6421?: CVE-2013-6421 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2013-6421 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-6421?: CVE-2013-6421 affects Projectsprouts Sprout. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-6421?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2013-6421 published?: CVE-2013-6421 was published on 2013-12-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:projectsprouts:sprout:0.7.246:-:-:*:-:ruby:*:*

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