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CVE-2009-0041

UnknownEPSS 2.71%

Last modified

CVE-2009-0041 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.71% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
2.71%

84.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
AsteriskAsterisk Business Edition<= b.2.5.2—
AsteriskAsterisk Business Edition<= c.1.0Beta8
AsteriskAsterisk Business Editiona—
AsteriskAsterisk Business Editionb.1.3.2—
AsteriskAsterisk Business Editionb.1.3.3—
AsteriskAsterisk Business Editionb.2.2.0—
AsteriskAsterisk Business Editionb.2.2.1—
AsteriskAsterisk Business Editionb.2.3.1—
AsteriskAsterisk Business Editionb.2.3.2—
AsteriskAsterisk Business Editionb.2.3.3—
AsteriskAsterisk Business Editionb.2.3.4—
AsteriskAsterisk Business Editionb.2.3.5—
AsteriskAsterisk Business Editionb.2.3.6—
AsteriskAsterisk Business Editionb.2.5.0—
AsteriskAsterisk Business Editionb.2.5.1—
AsteriskAsterisk Business Editionb.2.5.3—
AsteriskAsterisk Business Editionc.1.0Beta7
AsteriskOpen Source<= 1.2.30.4—
AsteriskOpen Source<= 1.4.23Rc3
AsteriskOpen Source<= 1.6.0.3Rc1
AsteriskOpen Source1.2.0—
AsteriskOpen Source1.2.0beta1—
AsteriskOpen Source1.2.0beta2—
AsteriskOpen Source1.2.1—
AsteriskOpen Source1.2.2—
AsteriskOpen Source1.2.3—
AsteriskOpen Source1.2.10—
AsteriskOpen Source1.2.11—
AsteriskOpen Source1.2.12—
AsteriskOpen Source1.2.12.1—
AsteriskOpen Source1.2.13—
AsteriskOpen Source1.2.14—
AsteriskOpen Source1.2.15—
AsteriskOpen Source1.2.16—
AsteriskOpen Source1.2.17—
AsteriskOpen Source1.2.18—
AsteriskOpen Source1.2.19—
AsteriskOpen Source1.2.20—
AsteriskOpen Source1.2.21—
AsteriskOpen Source1.2.21.1—
AsteriskOpen Source1.2.22—
AsteriskOpen Source1.2.23—
AsteriskOpen Source1.2.24—
AsteriskOpen Source1.2.25—
AsteriskOpen Source1.2.26—
AsteriskOpen Source1.2.26.1—
AsteriskOpen Source1.2.26.2—
AsteriskOpen Source1.2.27—
AsteriskOpen Source1.2.28—
AsteriskOpen Source1.2.29—

Showing 50 of 96 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2009-0041?
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.
How severe is CVE-2009-0041?
Severity scoring for CVE-2009-0041 is pending analysis. The EPSS model estimates a 2.71% probability of exploitation in the next 30 days.
How do I fix CVE-2009-0041?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST