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CVE-2009-2346

HIGH · CVSS 7.8EPSS 2.6%EU EUVD

The IAX2 protocol implementation in Asterisk Open Source 1.2.x before 1.2.35, 1.4.x before 1.4.26.2, 1.6.0.x before 1.6.0.15, and 1.6.1.x before 1.6.1.6; Business Edition B.x.x before B.2.5.10, C.2.x before C.2.4.3, and C.3.x before C.3.1.1; and s800i 1.3.x before 1.3.0.3 allows remote attackers to cause a denial of service (call-number exhaustion) by initiating many IAX2 message exchanges, a related issue to CVE-2008-3263.

Key facts

CVSS score
7.8 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE)
CWE-119
EPSS score
2.6% (85th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2009-2342)
Published
September 8, 2009
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-2342 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • asterisk / appliance s800i
  • asterisk / appliance s800i
  • asterisk / asterisk
  • asterisk / asterisk
  • asterisk / asterisk
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  • asterisk / asterisk
  • asterisk / asterisk
  • asterisk / open source
  • asterisk / open source
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  • asterisk / open source
  • asterisk / open source
  • asterisk / open source
  • asterisk / open source

and 142 more…

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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