CVE-2011-1637
Cisco Unified IP Phones 7900 devices (aka TNP phones) with software before 9.2.1 do not properly...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2011-1637- CVSS 2.0
- 1.5 Low
AV:L/AC:M/Au:S/C:P/I:N/A:N - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-1637- Updated
- 2026-11-02
EUVDEUVD-2011-1637 No score
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.
- Record
EUVD-2011-1637- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5228-qfm2-w928 No score
Cisco Unified IP Phones 7900 devices (aka TNP phones) with software before 9.2.1 do not properly...
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.
- Record
GHSA-5228-qfm2-w928- Updated
- 2026-11-02
Affected products
- cisco skinny client control protocol software
- cisco unified ip phone 7906
- cisco unified ip phone 7911g
- cisco unified ip phone 7931g
- cisco unified ip phone 7941g
- cisco unified ip phone 7941g-ge
- cisco unified ip phone 7942g
- cisco unified ip phone 7945g
- cisco unified ip phone 7961g
- cisco unified ip phone 7961g-ge
- cisco unified ip phone 7962g
- cisco unified ip phone 7965g
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-1637 is a low vulnerability (CVSS 1.5) in Cisco Skinny Client Control Protocol Software, published June 2, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 19th percentile. No source names a fixed version.
References
securitytracker.com/id?1025588
secunia.com/advisories/44814
securityfocus.com/bid/48075
osvdb.org/72719
cisco.com/en/US/products/products_security_advisory09186a0080b80111.shtml
exchange.xforce.ibmcloud.com/vulnerabilities/67743
nvd.nist.gov/vuln/detail/CVE-2011-1637
github.com/advisories/GHSA-5228-qfm2-w928