What’s Vulnerable › Vulnerabilities

CVE-2011-1637

• Severity: low (CVSS 1.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-06-02 · updated 2026-06-16
• Weakness: CWE-264

Description

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.

Affected products

• Cisco Skinny Client Control Protocol Software: through 9.1\(1\); 1.0(1), 1.0(2), 1.0(2)-sr1, 1.0(3), 1.0(4), 1.0(5) (+126)
• Cisco Unified Ip Phone 7906: all versions
• Cisco Unified Ip Phone 7911G: all versions
• Cisco Unified Ip Phone 7931G: all versions
• Cisco Unified Ip Phone 7941G: all versions
• Cisco Unified Ip Phone 7941G-Ge: all versions
• Cisco Unified Ip Phone 7942G: all versions
• Cisco Unified Ip Phone 7945G: all versions
• Cisco Unified Ip Phone 7961G: all versions
• Cisco Unified Ip Phone 7961G-Ge: all versions
• Cisco Unified Ip Phone 7962G: all versions
• Cisco Unified Ip Phone 7965G: all versions
• Cisco Unified Ip Phone 7970G: all versions
• Cisco Unified Ip Phone 7971G-Ge: all versions
• Cisco Unified Ip Phone 7975G: all versions

References

• http://osvdb.org/72719
• http://secunia.com/advisories/44814/
• http://www.cisco.com/en/US/products/products_security_advisory09186a0080b80111.shtml
• http://www.securityfocus.com/bid/48075
• http://www.securitytracker.com/id?1025588
• https://exchange.xforce.ibmcloud.com/vulnerabilities/67743
• http://osvdb.org/72719
• http://secunia.com/advisories/44814/
• http://www.cisco.com/en/US/products/products_security_advisory09186a0080b80111.shtml
• http://www.securityfocus.com/bid/48075
• http://www.securitytracker.com/id?1025588
• https://exchange.xforce.ibmcloud.com/vulnerabilities/67743

Get alerted when CVE-2011-1637 or the next vulnerability affects your stack