Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2012-5445

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.

Security Impact Summary

CVE-2012-5445 is a security vulnerability that . Impacting 3 products from cisco, from cisco, from cisco organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2012, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2012-12-28T11:48:44.673

Last Modified

2026-04-29T01:13:23.040

Status

Modified

Source

[email protected]

Severity

CVSSv2: 6.8 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:S/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.1

Impact Score

10.0

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	cisco	skinny_client_control_protocol_software	≤ 9.2\(4\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	1.0\(1\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	1.0\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	1.0\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	1.0\(3\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	1.0\(4\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	1.0\(5\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	1.0\(9\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	1.1\(1\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	1.2\(1\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	1.3\(1\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	1.3\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	1.3\(3\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	1.3\(4\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	1.3\(4\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	1.4\(1\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	1.4\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	2.0\(0\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	2.0\(1\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.0	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.0\(0\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.0\(1\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.0\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.1	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.1\(1\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.1\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.1\(3\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.1\(4\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.1\(6\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.1\(10\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.1\(11\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.2	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.2\(1\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.2\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.2\(3\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.2\(4\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.2\(5\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.2\(6\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.2\(6a\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.2\(7\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.2\(8\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.2\(9\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.2\(10\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.2\(11\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.2\(12\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.2\(13\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.2\(14\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.2\(15\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.3\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.3\(3\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.3\(4\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.3\(5\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.3\(6\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.3\(7\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.3\(8\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.3\(9\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.3\(10\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.3\(11\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.3\(12\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.3\(13\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.3\(14\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.3\(15\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.3\(16\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	3.3\(20\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	4.0\(0\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	4.1\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	4.1\(3\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	4.1\(4\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	4.1\(5\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	4.1\(6\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	4.1\(7\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	5.0\(0\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	5.0\(1a\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	5.0\(3\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	5.0\(5\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	5.0\(6\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	5.0\(7\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	6.0\(0\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	6.0\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	6.0\(3\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	6.0\(3\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	6.0\(4\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	6.0\(5\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	6.1\(0\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	6.1\(1\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	7.0\(1\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	7.0\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	7.0\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	7.0\(3\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	7.1\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	7.2\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	7.2\(3\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	7.2\(4\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.0\(1\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.0\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.0\(3\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.0\(4\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.0\(4\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.0\(4\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.0\(5\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.0\(6\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.0\(7\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.0\(8\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.0\(9\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.0\(10\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.1\(1\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.1\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.2\(1\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.2\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.2\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.2\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.2\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.3\(1\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.3\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.3\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.3\(3\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.3\(3\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.3\(3\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.3\(5\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.4\(1\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.4\(1\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.4\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.4\(3\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.4\(4\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.5\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.5\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.5\(3\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.5\(3\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.5\(4\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	8.70	Yes
Operating System	cisco	skinny_client_control_protocol_software	9.0\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	9.0\(2\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	9.0\(3\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	9.0\(3b\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	9.1\(1\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	9.1\(1\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	9.1\(1\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	9.2\(1\)	Yes
Operating System	cisco	skinny_client_control_protocol_software	9.2\(2\)	Yes
Hardware	cisco	unified_ip_phone	7906g	Yes
Hardware	cisco	unified_ip_phone	7911g	Yes
Hardware	cisco	unified_ip_phone	7935	Yes
Hardware	cisco	unified_ip_phone	7936	Yes
Hardware	cisco	unified_ip_phone	7940	Yes
Hardware	cisco	unified_ip_phone	7940g	Yes
Hardware	cisco	unified_ip_phone	7941g	Yes
Hardware	cisco	unified_ip_phone	7960	Yes
Hardware	cisco	unified_ip_phone	7960g	Yes
Hardware	cisco	unified_ip_phone	7961g	Yes
Hardware	cisco	unified_ip_phone	7970g	Yes
Hardware	cisco	unified_ip_phone	7971g	Yes
Hardware	cisco	unified_ip_phone_7906g	7911g	Yes
Hardware	cisco	unified_ip_phone_7906g	7941g	Yes
Hardware	cisco	unified_ip_phone_7906g	7961g	Yes
Hardware	cisco	unified_ip_phone_7906g	7970g	Yes
Hardware	cisco	unified_ip_phone_7906g	7971g	Yes

References

http://events.ccc.de/congress/2012/Fahrplan/events/5400.en.html ([email protected])
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130109-uipphone ([email protected])
http://events.ccc.de/congress/2012/Fahrplan/events/5400.en.html (af854a3a-2127-422b-91ae-364da2661108)
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130109-uipphone (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.