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Vulnerability record · CVE-2013-1176 · published 18 April 2013

CVE-2013-1176: Cisco telepresence mcu 4500 series software improper input validation vulnerability

Cisco · Telepresence Mcu 4500 Series Software

The DSP card on Cisco TelePresence MCU 4500 and 4501 devices before 4.3(2.30), TelePresence MCU MSE 8510 devices before 4.3(2.30), and TelePresence Server before 2.3(1.55) does not properly validate H.264 data, which allows remote attackers to cause a denial of service (device reload) via crafted RTP packets in a (1) SIP session or (2) H.323 session, aka Bug IDs CSCuc11328 and CSCub05448.

7.1 CVSS 2.0 High EPSS 1.2% · top 33.8% CWE-20 · Improper input validation
7.1CVSS 2.0 base score
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
12Affected product versions listed by NVD
2References
16 Jun 2026Last modified by NVD

Description

The DSP card on Cisco TelePresence MCU 4500 and 4501 devices before 4.3(2.30), TelePresence MCU MSE 8510 devices before 4.3(2.30), and TelePresence Server before 2.3(1.55) does not properly validate H.264 data, which allows remote attackers to cause a denial of service (device reload) via crafted RTP packets in a (1) SIP session or (2) H.323 session, aka Bug IDs CSCuc11328 and CSCub05448.

AV:N/AC:M/Au:N/C:N/I:N/A:C

Affected products

12 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130417-tpi
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130417-tpi

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2013-1176), CISA KEV, FIRST EPSS (scores of 2026-10-02). This page is refreshed as NVD updates the record.