peter bassill · operator
$ cve CVE-2008-3263 JSON

CVE-2008-3263 EXPLOIT

7.8
HIGH · CVSS 2.0 · EPSS 28% (pctl 98)

Patch early

A public exploit exists.

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.

Scoring

CVSS7.8 (HIGH, v2.0)
VectorAV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS28% — more likely to be exploited than 98% of all CVEs
WeaknessCWE-399
On CISA KEVno
Public exploityes
Published2008-07-22
Last modified2026-06-16

Affected (1)

VendorProduct
asteriskasterisk

Public exploits

SourceTitleDate
exploit-dbAsterisk 1.6 IAX - 'POKE' Requests Remote Denial of Service2008-07-21

References

→ the Explorer  ·  watch your stack  ·  NVD