How severe is CVE-2014-3331?

CVE-2014-3331 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2014-3331 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-2014-3331?

CVE-2014-3331 primarily affects Cisco Asr 5000 Series Software. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-3331?

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

When was CVE-2014-3331 published?

CVE-2014-3331 was published on 2014-08-20 and last updated on 2026-06-17.

CVE-2014-3331

CVE-2014-3331 is a medium-severity vulnerability in Cisco Asr 5000 Series Software with a CVSS 2.0 base score of 4.3. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Asr 5000 Series Software
Published: 2014-08-20
Last modified: 2026-06-17

Description

The Session Manager component in Packet Data Network Gateway (aka PGW) in Cisco ASR 5000 Series Software 11.0, 12.0, 12.1, 12.2, 14.0, 15.0, 16.x through 16.1.2, and 17.0 allows remote attackers to cause a denial of service (process crash) via a crafted TCP packet, aka Bug ID CSCuo21914.

Frequently asked questions

What is CVE-2014-3331?: The Session Manager component in Packet Data Network Gateway (aka PGW) in Cisco ASR 5000 Series Software 11.0, 12.0, 12.1, 12.2, 14.0, 15.0, 16.x through 16.1.2, and 17.0 allows remote attackers to cause a denial of service (process crash) via a crafted TCP packet, aka Bug ID CSCuo21914.
How severe is CVE-2014-3331?: CVE-2014-3331 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2014-3331 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-2014-3331?: CVE-2014-3331 primarily affects Cisco Asr 5000 Series Software. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-3331?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-3331 published?: CVE-2014-3331 was published on 2014-08-20 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:a:cisco:asr_5000_series_software:11.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asr_5000_series_software:12.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asr_5000_series_software:12.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asr_5000_series_software:12.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asr_5000_series_software:14.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asr_5000_series_software:15.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asr_5000_series_software:16.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asr_5000_series_software:16.1.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asr_5000_series_software:16.1.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:asr_5000_series_software:17.0.0:*:*:*:*:*:*:*

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