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CVE-2008-4543
Cisco Unity 4.x before 4.2(1)ES161, 5.x before 5.0(1)ES53, and 7.x before 7.0(2)ES8, when using anonymous authentication (aka native Unity…
High7.1EPSS 1.8%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Cisco Unity 4.x before 4.2(1)ES161, 5.x before 5.0(1)ES53, and 7.x before 7.0(2)ES8, when using anonymous authentication (aka native Unity authentication), allows remote attackers to cause a denial of service (session exhaustion) via a large number of connections.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.1 | AV:N/AC:M/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 1.8% · top 21% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Weakness
Affected products
n/a
- affected n/a
References (7)
- 32187 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- cisco-unityserver-session-handling-dos(45743) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 1021013 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 31642 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- ADV-2008-2771 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 20081008 VoIPshield Reported Vulnerabilities in Cisco Unity Server (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
- http://www.voipshield.com/research-details.php?id=128 (opens in a new tab)x_refsource_MISCx_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)
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[](https://trackcve.app/cve/CVE-2008-4543)Record last updated .