CVE-2009-0041

mediumpriority · track · 21EPSS 0.027 · 86 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.71% (86th) EPSS

CVSS 5 · medium

Is it mine?

97 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-28

IAX2 in Asterisk Open Source 1.2.x before 1.2.31, 1.4.x before 1.4.23-rc4, and 1.6.x before 1.6.0.3-rc2; Business Edition A.x.x, B.x.x before B.2.5.7, C.1.x.x before C.1.10.4, and C.2.x.x before C.2.1.2.1; and s800i 1.2.x before 1.3.0 responds differently to a failed login attempt depending on whether the user account exists, which allows remote attackers to enumerate valid usernames.

cvss

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

5.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v2.04.3mediumAV:N/AC:L/Au:N/C:P/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-200USprimary

affected products (97)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
asterisk asterisk business edition≤ c.1.0nvdUScpe:2.3:a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:*
asterisk asterisk business edition≤ b.2.5.2nvdUScpe:2.3:a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:*
asterisk asterisk business edition= anvdUScpe:2.3:a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:*
asterisk asterisk business edition= b.1.3.2nvdUScpe:2.3:a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:*
asterisk asterisk business edition= b.1.3.3nvdUScpe:2.3:a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:*
asterisk asterisk business edition= b.2.2.0nvdUScpe:2.3:a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:*
asterisk asterisk business edition= b.2.2.1nvdUScpe:2.3:a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:*
asterisk asterisk business edition= b.2.3.1nvdUScpe:2.3:a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:*
asterisk asterisk business edition= b.2.3.2nvdUScpe:2.3:a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:*
asterisk asterisk business edition= b.2.3.3nvdUScpe:2.3:a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:*
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.2.3.6nvdUScpe: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 asterisk business edition= c.1.0nvdUScpe:2.3:a:asterisk:asterisk_business_edition:*:*:*:*:*:*:*:*
asterisk open source≤ 1.2.30.4nvdUScpe:2.3:a:asterisk:open_source:*:*:*:*:*:*:*:*
asterisk open source≤ 1.4.23nvdUScpe:2.3:a:asterisk:open_source:*:*:*:*:*:*:*:*

showing 20 of 97

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 2009-01-14modified 2026-06-16

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+19464 more

references (22)

External citations — patches, advisories, analysis.

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