How severe is CVE-2014-3397?

CVE-2014-3397 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2014-3397 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-3397?

CVE-2014-3397 affects Cisco Telepresence Mcu Software. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-3397?

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-2014-3397 published?

CVE-2014-3397 was published on 2014-10-19 and last updated on 2026-06-17.

CVE-2014-3397

CVE-2014-3397 is a high-severity vulnerability in Cisco Telepresence Mcu Software with a CVSS 2.0 base score of 7.8. 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-399.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Cisco Telepresence Mcu Software
Published: 2014-10-19
Last modified: 2026-06-17

Description

The network stack in Cisco TelePresence MCU Software before 4.3(2.30) allows remote attackers to cause a denial of service (memory consumption) via crafted TCP packets, aka Bug ID CSCtz35468.

Frequently asked questions

What is CVE-2014-3397?: The network stack in Cisco TelePresence MCU Software before 4.3(2.30) allows remote attackers to cause a denial of service (memory consumption) via crafted TCP packets, aka Bug ID CSCtz35468.
How severe is CVE-2014-3397?: CVE-2014-3397 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2014-3397 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-3397?: CVE-2014-3397 affects Cisco Telepresence Mcu Software. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-3397?: 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-2014-3397 published?: CVE-2014-3397 was published on 2014-10-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cisco:telepresence_mcu_software:*:*:*:*:*:*:*:*

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Other CWE-399 (Resource Management Errors) vulnerabilities

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CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
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