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CVE-2008-3903
Asterisk Open Source 1.2.x before 1.2.32, 1.4.x before 1.4.24.1, and 1.6.0.x before 1.6.0.8; Asterisk Business Edition A.x.x, B.x.x before…
Low3.5EPSS 1.9%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Asterisk Open Source 1.2.x before 1.2.32, 1.4.x before 1.4.24.1, and 1.6.0.x before 1.6.0.8; Asterisk Business Edition A.x.x, B.x.x before B.2.5.8, C.1.x.x before C.1.10.5, and C.2.x.x before C.2.3.3; s800i 1.3.x before 1.3.0.2; and Trixbox PBX 2.6.1, when Digest authentication and authalwaysreject are enabled, generates different responses depending on whether a SIP username is valid, which allows remote attackers to enumerate valid usernames.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low3.5 | AV:N/AC:M/Au:S/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.9% · top 21% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.5.
Weakness
Affected products
n/a
- affected n/a
References (9)
- GLSA-200905-01 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- http://downloads.asterisk.org/pub/security/AST-2009-003.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 34353 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 37677 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- DSA-1952 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- http://misel.com/?p=52 (opens in a new tab)x_refsource_MISCx_transferred
- asterisk-username-info-disclosure(45059) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- ADV-2009-0933 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 34982 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_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-2008-3903)Record last updated .