The kernel in Cisco Native Unix (CNU) on Cisco Unified IP Phone 7900 series devices (aka TNP phones) with software before 9.3.1-ES10 does not properly validate unspecified system calls, which allows attackers to execute arbitrary code or cause a denial of service (memory overwrite) via a crafted binary
Published Dec 28, 2012
6.8
MEDIUMCVSS 2.0
EPSS 0.40%
Description
The kernel in Cisco Native Unix (CNU) on Cisco Unified IP Phone 7900 series devices (aka TNP phones) with software before 9.3.1-ES10 does not properly validate unspecified system calls, which allows attackers to execute arbitrary code or cause a denial of service (memory overwrite) via a crafted binary.
Affected products
No data.
- ≤ 9.2\(4\)
- 1.0\(1\)
- 1.0\(2\)
- 1.0\(2\)
- 1.0\(3\)
- 1.0\(4\)
- 1.0\(5\)
- 1.0\(9\)
- 1.1\(1\)
- 1.2\(1\)
- 1.3\(1\)
- 1.3\(2\)
- 1.3\(3\)
- 1.3\(4\)
- 1.3\(4\)
- 1.4\(1\)
- 1.4\(2\)
- 2.0\(0\)
- 2.0\(1\)
- 3.0
- 3.0\(0\)
- 3.0\(1\)
- 3.0\(2\)
- 3.1
- 3.1\(1\)
- 3.1\(2\)
- 3.1\(3\)
- 3.1\(4\)
- 3.1\(6\)
- 3.1\(10\)
- 3.1\(11\)
- 3.2
- 3.2\(1\)
- 3.2\(2\)
- 3.2\(3\)
- 3.2\(4\)
- 3.2\(5\)
- 3.2\(6\)
- 3.2\(6a\)
- 3.2\(7\)
- 3.2\(8\)
- 3.2\(9\)
- 3.2\(10\)
- 3.2\(11\)
- 3.2\(12\)
- 3.2\(13\)
- 3.2\(14\)
- 3.2\(15\)
- 3.3\(2\)
- 3.3\(3\)
- 3.3\(4\)
- 3.3\(5\)
- 3.3\(6\)
- 3.3\(7\)
- 3.3\(8\)
- 3.3\(9\)
- 3.3\(10\)
- 3.3\(11\)
- 3.3\(12\)
- 3.3\(13\)
- 3.3\(14\)
- 3.3\(15\)
- 3.3\(16\)
- 3.3\(20\)
- 4.0\(0\)
- 4.1\(2\)
- 4.1\(3\)
- 4.1\(4\)
- 4.1\(5\)
- 4.1\(6\)
- 4.1\(7\)
- 5.0\(0\)
- 5.0\(1a\)
- 5.0\(3\)
- 5.0\(5\)
- 5.0\(6\)
- 5.0\(7\)
- 6.0\(0\)
- 6.0\(2\)
- 6.0\(3\)
- 6.0\(3\)
- 6.0\(4\)
- 6.0\(5\)
- 6.1\(0\)
- 6.1\(1\)
- 7.0\(1\)
- 7.0\(2\)
- 7.0\(2\)
- 7.0\(3\)
- 7.1\(2\)
- 7.2\(2\)
- 7.2\(3\)
- 7.2\(4\)
- 8.0\(1\)
- 8.0\(2\)
- 8.0\(3\)
- 8.0\(4\)
- 8.0\(4\)
- 8.0\(4\)
- 8.0\(5\)
- 8.0\(6\)
- 8.0\(7\)
- 8.0\(8\)
- 8.0\(9\)
- 8.0\(10\)
- 8.1\(1\)
- 8.1\(2\)
- 8.2\(1\)
- 8.2\(2\)
- 8.2\(2\)
- 8.2\(2\)
- 8.2\(2\)
- 8.3\(1\)
- 8.3\(2\)
- 8.3\(2\)
- 8.3\(3\)
- 8.3\(3\)
- 8.3\(3\)
- 8.3\(5\)
- 8.4\(1\)
- 8.4\(1\)
- 8.4\(2\)
- 8.4\(3\)
- 8.4\(4\)
- 8.5\(2\)
- 8.5\(2\)
- 8.5\(3\)
- 8.5\(3\)
- 8.5\(4\)
- 8.70
- 9.0\(2\)
- 9.0\(2\)
- 9.0\(3\)
- 9.0\(3b\)
- 9.1\(1\)
- 9.1\(1\)
- 9.1\(1\)
- 9.2\(1\)
- 9.2\(2\)
- 7906g
- 7911g
- 7935
- 7936
- 7940
- 7940g
- 7941g
- 7960
- 7960g
- 7961g
- 7970g
- 7971g
- 7911g
- 7941g
- 7961g
- 7970g
- 7971g
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:L/AC:L/Au:S/C:C/I:C/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 (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.40% (0.00400) | 31.76th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.40% (0.00400) | 31.52th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00065) | 17.39th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 14.58th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00045) | 11.90th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.72% (0.02720) | 82.87th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.72% (0.02720) | 81.19th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.72% (0.02720) | 62.69th | v2 (v2022.01.01) |
References (2)
- http://events.ccc.de/congress/2012/Fahrplan/events/5400.en.html x_refsource_MISC
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130109-uipphone vendor-advisoryx_refsource_CISCO
| Link | Providers | Tags |
|---|---|---|
| http://events.ccc.de/congress/2012/Fahrplan/events/5400.en.html | x_refsource_MISC | |
| http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130109-uipphone | vendor-advisoryx_refsource_CISCO |
Change history (0)
No recorded changes yet.