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
Published Apr 18, 2013
7.1
HIGHCVSS 2.0
EPSS 1.17%
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.
Affected products
No data.
Configuration 1
- ≤ 4.3\(2.18\)
- 4.1\(1.51\)
- 4.1\(1.59\)
- 4.2\(1.43\)
- 4.2\(1.46\)
- 4.2\(1.50\)
- 4.3\(1.68\)
- n/a
- n/a
- n/a
- n/a
Configuration 2
- ≤ 4.3\(2.18\)
- 4.1\(1.51\)
- 4.1\(1.59\)
- 4.2\(1.43\)
- 4.2\(1.46\)
- 4.2\(1.50\)
- 4.3\(1.68\)
- n/a
Configuration 3
- ≤ 4.3\(2.18\)
- 4.1\(1.51\)
- 4.1\(1.59\)
- 4.2\(1.43\)
- 4.2\(1.46\)
- 4.2\(1.50\)
- 4.3\(1.68\)
- n/a
Configuration 4
- ≤ 2.2\(1.54\)
- 2.1\(1.33\)
- 2.1\(1.37\)
- 2.2\(1.43\)
- n/a
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.17% (0.01169) | 66.21th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.17% (0.01169) | 63.17th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.40% (0.00399) | 58.53th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.18% (0.00181) | 56.62th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.14% (0.00145) | 49.69th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.13% (0.00133) | 47.48th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.12% (0.00121) | 45.10th | v3 (v2023.03.01) |
| Nov 4, 2023 | 0.23% (0.00228) | 60.96th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.26% (0.00258) | 61.75th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
References (1)
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130417-tpi vendor-advisoryx_refsource_CISCO
| Link | Providers | Tags |
|---|---|---|
| http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130417-tpi | vendor-advisoryx_refsource_CISCO |
Change history (0)
No recorded changes yet.