How severe is CVE-2014-3381?

CVE-2014-3381 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2014-3381 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-3381?

CVE-2014-3381 affects Cisco Asyncos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-3381?

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

When was CVE-2014-3381 published?

CVE-2014-3381 was published on 2014-10-19 and last updated on 2026-06-17.

CVE-2014-3381

CVE-2014-3381 is a medium-severity vulnerability in Cisco Asyncos with a CVSS 2.0 base score of 5.0. 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-264.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Cisco Asyncos
Published: 2014-10-19
Last modified: 2026-06-17

Description

The ZIP inspection engine in Cisco AsyncOS 8.5 and earlier on the Cisco Email Security Appliance (ESA) does not properly analyze ZIP archives, which allows remote attackers to bypass malware filtering via a crafted archive, aka Bug ID CSCup07934.

Frequently asked questions

What is CVE-2014-3381?: The ZIP inspection engine in Cisco AsyncOS 8.5 and earlier on the Cisco Email Security Appliance (ESA) does not properly analyze ZIP archives, which allows remote attackers to bypass malware filtering via a crafted archive, aka Bug ID CSCup07934.
How severe is CVE-2014-3381?: CVE-2014-3381 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2014-3381 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-3381?: CVE-2014-3381 affects Cisco Asyncos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-3381?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-3381 published?: CVE-2014-3381 was published on 2014-10-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:*

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