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CVE-2008-5558

MEDIUM · CVSS 4.3EPSS 2.0%EU EUVD

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.

Key facts

CVSS score
4.3 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness (CWE)
CWE-287
EPSS score
2.0% (80th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2008-5533)
Published
December 17, 2008
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2008-5533 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • asterisk / asterisk business edition
  • asterisk / asterisk business edition
  • asterisk / asterisk business edition
  • asterisk / asterisk business edition
  • asterisk / asterisk business edition
  • asterisk / open source
  • asterisk / open source
  • asterisk / open source
  • asterisk / open source
  • asterisk / open source
  • asterisk / open source
  • asterisk / open source
  • asterisk / open source
  • asterisk / open source
  • asterisk / open source
  • asterisk / open source
  • asterisk / open source

References

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

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