How severe is CVE-2013-4478?

CVE-2013-4478 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2013-4478 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4478?

CVE-2013-4478 primarily affects Supmua Sup. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-4478?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-4478 published?

CVE-2013-4478 was published on 2013-12-07 and last updated on 2026-06-16.

CVE-2013-4478

CVE-2013-4478 is a medium-severity vulnerability in Supmua Sup with a CVSS 2.0 base score of 6.8. 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: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Supmua Sup
Published: 2013-12-07
Last modified: 2026-06-16

Description

Sup before 0.13.2.1 and 0.14.x before 0.14.1.1 allows remote attackers to execute arbitrary commands via shell metacharacters in the filename of an email attachment.

Frequently asked questions

What is CVE-2013-4478?: Sup before 0.13.2.1 and 0.14.x before 0.14.1.1 allows remote attackers to execute arbitrary commands via shell metacharacters in the filename of an email attachment.
How severe is CVE-2013-4478?: CVE-2013-4478 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2013-4478 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4478?: CVE-2013-4478 primarily affects Supmua Sup. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-4478?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4478 published?: CVE-2013-4478 was published on 2013-12-07 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:supmua:sup:*:*:*:*:*:*:*:*
cpe:2.3:a:supmua:sup:0.13.0:*:*:*:*:*:*:*
cpe:2.3:a:supmua:sup:0.13.1:*:*:*:*:*:*:*
cpe:2.3:a:supmua:sup:0.14.0:*:*:*:*:*:*:*
cpe:2.3:a:supmua:sup:0.14.1:*:*:*:*:*:*:*

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CVE-2013-4479 — Medium (CVSS 6.8): lib/sup/message_chunks.rb in Sup before 0.13.2.1 and 0.14.x before 0.14.1.1 allows remote attackers to execute…

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