How severe is CVE-2013-1176?

CVE-2013-1176 has a CVSS 2.0 base score of 7.1, rated high severity.

Is CVE-2013-1176 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-1176?

CVE-2013-1176 primarily affects Cisco Telepresence Mcu 4500 Series Software. In total, 33 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-1176?

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-2013-1176 published?

CVE-2013-1176 was published on 2013-04-18 and last updated on 2026-06-16.

CVE-2013-1176

CVE-2013-1176 is a high-severity vulnerability in Cisco Telepresence Mcu 4500 Series Software with a CVSS 2.0 base score of 7.1. 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: High (CVSS 2.0 base score 7.1)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Telepresence Mcu 4500 Series Software
Published: 2013-04-18
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2013-1176?: 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.
How severe is CVE-2013-1176?: CVE-2013-1176 has a CVSS 2.0 base score of 7.1, rated high severity.
Is CVE-2013-1176 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-1176?: CVE-2013-1176 primarily affects Cisco Telepresence Mcu 4500 Series Software. In total, 33 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-1176?: 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-2013-1176 published?: CVE-2013-1176 was published on 2013-04-18 and last updated on 2026-06-16.

References

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

Affected products (33)

cpe:2.3:a:cisco:telepresence_mcu_4500_series_software:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_mcu_4500_series_software:4.1\(1.51\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_mcu_4500_series_software:4.1\(1.59\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_mcu_4500_series_software:4.2\(1.43\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_mcu_4500_series_software:4.2\(1.46\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_mcu_4500_series_software:4.2\(1.50\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_mcu_4500_series_software:4.3\(1.68\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:telepresence_mcu_4505:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:telepresence_mcu_4510:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:telepresence_mcu_4515:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:telepresence_mcu_4520:-:*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_mcu_4501_series_software:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_mcu_4501_series_software:4.1\(1.51\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_mcu_4501_series_software:4.1\(1.59\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_mcu_4501_series_software:4.2\(1.43\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_mcu_4501_series_software:4.2\(1.46\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_mcu_4501_series_software:4.2\(1.50\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_mcu_4501_series_software:4.3\(1.68\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:telepresence_mcu_4501:-:*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_mcu_mse_series_software:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_mcu_mse_series_software:4.1\(1.51\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_mcu_mse_series_software:4.1\(1.59\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_mcu_mse_series_software:4.2\(1.43\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_mcu_mse_series_software:4.2\(1.46\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_mcu_mse_series_software:4.2\(1.50\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_mcu_mse_series_software:4.3\(1.68\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:telepresence_mcu_mse_8510:-:*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_server_software:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_server_software:2.1\(1.33\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_server_software:2.1\(1.37\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_server_software:2.2\(1.43\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:telepresence_server_7010:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:telepresence_server_mse_8710:-:*:*:*:*:*:*:*

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