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CVE-2008-5558
Asterisk Open Source 1.2.26 through 1.2.30.3 and Business Edition B.2.3.5 through B.2.5.5, when realtime IAX2 users are enabled, allows…
Medium4.3EPSS 2.0%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Asterisk Open Source 1.2.26 through 1.2.30.3 and Business Edition B.2.3.5 through B.2.5.5, when realtime IAX2 users are enabled, allows remote attackers to cause a denial of service (crash) via authentication attempts involving (1) an unknown user or (2) a user using hostname matching.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 2.0% · top 20% 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: Medium 4.3.
Weakness
Affected products
n/a
- affected n/a
References (10)
- 32773 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- GLSA-200905-01 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- 32956 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 50675 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 4769 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- 20081210 AST-2008-012: Remote crash vulnerability in IAX2 (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- http://downloads.digium.com/pub/security/AST-2008-012.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- ADV-2008-3403 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 34982 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 1021378 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_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://trackcve.app/cve/CVE-2008-5558)Record last updated .