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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,…
Low1.5EPSS 0.27%
- Published
- Updated
- Reserved
- Assigned by
- cisco
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.
Timeline
ID reserved
By cisco
- 58 days later
· 58 days later
Published
- 13 years later
· 13 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low1.5 | AV:L/AC:M/Au:S/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.27% · top 81% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 1.5.
Weakness
Affected products
n/a
- affected n/a
References (6)
- 1025588 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 44814 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 48075 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 72719 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 20110601 Multiple Vulnerabilities in Cisco Unified IP Phones 7900 Series (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
- cisco-uipp-sign-security-bypass(67743) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2011-1637)Record last updated .