Vulnerability Monitor

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CVE-2011-1637

Cisco Unified IP Phones 7900 devices (aka TNP phones) with software before 9.2.1 do not properly verify signatures for software images, which allows local users to gain privileges via a crafted image, aka Bug ID CSCtn65962.

Security Impact Summary

CVE-2011-1637 is a security vulnerability that . Impacting 15 products from cisco, from cisco, from cisco and 12 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2011, 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

2011-06-02T20:55:03.480

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 1.5 (LOW)

CVSSv2 Vector

AV:L/AC:M/Au:S/C:P/I:N/A:N

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

2.7

Impact Score

2.9

Weaknesses

Type: Primary
CWE-264

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Hardware	cisco	unified_ip_phone_7906	*	Yes
Hardware	cisco	unified_ip_phone_7911g	*	Yes
Hardware	cisco	unified_ip_phone_7931g	*	Yes
Hardware	cisco	unified_ip_phone_7941g	*	Yes
Hardware	cisco	unified_ip_phone_7941g-ge	*	Yes
Hardware	cisco	unified_ip_phone_7942g	*	Yes
Hardware	cisco	unified_ip_phone_7945g	*	Yes
Hardware	cisco	unified_ip_phone_7961g	*	Yes
Hardware	cisco	unified_ip_phone_7961g-ge	*	Yes
Hardware	cisco	unified_ip_phone_7962g	*	Yes
Hardware	cisco	unified_ip_phone_7965g	*	Yes
Hardware	cisco	unified_ip_phone_7970g	*	Yes
Hardware	cisco	unified_ip_phone_7971g-ge	*	Yes
Hardware	cisco	unified_ip_phone_7975g	*	Yes
Operating System	cisco	skinny_client_control_protocol_software	≤ 9.1\(1\)	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

References

http://osvdb.org/72719 ([email protected])
http://secunia.com/advisories/44814/ ([email protected])
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b80111.shtml Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/48075 ([email protected])
http://www.securitytracker.com/id?1025588 ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/67743 ([email protected])
http://osvdb.org/72719 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/44814/ (af854a3a-2127-422b-91ae-364da2661108)
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b80111.shtml Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/48075 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id?1025588 (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/67743 (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.