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CVE-2008-3263
The IAX2 protocol implementation in Asterisk Open Source 1.0.x, 1.2.x before 1.2.30, and 1.4.x before 1.4.21.2; Business Edition A.x.x,…
High7.8EPSS 28.0%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The IAX2 protocol implementation in Asterisk Open Source 1.0.x, 1.2.x before 1.2.30, and 1.4.x before 1.4.21.2; Business Edition A.x.x, B.x.x before B.2.5.4, and C.x.x before C.1.10.3; AsteriskNOW; Appliance Developer Kit 0.x.x; and s800i 1.0.x before 1.2.0.1 allows remote attackers to cause a denial of service (call-number exhaustion and CPU consumption) by quickly sending a large number of IAX2 (IAX) POKE requests.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 28.0% · top 1.9% 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 7.8.
Weakness
Affected products
n/a
- affected n/a
References (12)
- GLSA-200905-01 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- 30321 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 31194 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- asterisk-poke-dos(43942) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- ADV-2008-2168 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- FEDORA-2008-6676 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 31178 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://downloads.securityfocus.com/vulnerabilities/exploits/30321.pl (opens in a new tab)x_refsource_MISCx_transferred
- 20080722 AST-2008-010: Asterisk IAX 'POKE' resource exhaustion (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 1020535 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- http://downloads.digium.com/pub/security/AST-2008-010.html (opens in a new tab)x_refsource_CONFIRMx_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)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2008-3263)Record last updated .