CVE-2008-5558

mediumpriority · track · 18EPSS 0.020 · 80 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.96% (80th) EPSS

CVSS 4.3 · medium

Is it mine?

15 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-28

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.

cvss

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.7–4.3

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v2.03.7lowAV:N/AC:M/Au:N/C:N/I:N/A:P/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USprimary

affected products (15)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
asterisk asterisk business edition= b.2.3.4nvdUScpe:2.3:a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:*
asterisk asterisk business edition= b.2.3.5nvdUScpe:2.3:a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:*
asterisk asterisk business edition= b.2.5.0nvdUScpe:2.3:a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:*
asterisk asterisk business edition= b.2.5.1nvdUScpe:2.3:a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:*
asterisk asterisk business edition= b.2.5.3nvdUScpe:2.3:a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:*
asterisk open source= 1.2.26nvdUScpe:2.3:a:asterisk:open_source:*:*:*:*:*:*:*:*
asterisk open source= 1.2.26.1nvdUScpe:2.3:a:asterisk:open_source:*:*:*:*:*:*:*:*
asterisk open source= 1.2.26.2nvdUScpe:2.3:a:asterisk:open_source:*:*:*:*:*:*:*:*
asterisk open source= 1.2.27nvdUScpe:2.3:a:asterisk:open_source:*:*:*:*:*:*:*:*
asterisk open source= 1.2.28nvdUScpe:2.3:a:asterisk:open_source:*:*:*:*:*:*:*:*
asterisk open source= 1.2.29nvdUScpe:2.3:a:asterisk:open_source:*:*:*:*:*:*:*:*
asterisk open source= 1.2.30nvdUScpe:2.3:a:asterisk:open_source:*:*:*:*:*:*:*:*
asterisk open source= 1.2.30.2nvdUScpe:2.3:a:asterisk:open_source:*:*:*:*:*:*:*:*
asterisk open source= 1.2.30.3nvdUScpe:2.3:a:asterisk:open_source:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2008-12-17modified 2026-06-16

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+7722 more

references (20)

External citations — patches, advisories, analysis.

scry

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