CVE-2009-0041

NONE EPSS 84.2%
Published Jan 14, 200917y ago · Modified Jun 16, 20262w ago
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Published Jan 14, 2009 17y ago
Last Modified Jun 16, 2026 2w ago

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.

Threat Intelligence

EPSS Exploit Probability
84.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Information Exposure

Affected Products 150

VendorProductVersionRange
asteriskasterisk_business_edition* ≤b.2.5.2
asteriskasterisk_business_edition* ≤c.1.0
asteriskasterisk_business_editionaany
asteriskasterisk_business_editionb.1.3.2any
asteriskasterisk_business_editionb.1.3.3any
asteriskasterisk_business_editionb.2.2.0any
asteriskasterisk_business_editionb.2.2.1any
asteriskasterisk_business_editionb.2.3.1any
asteriskasterisk_business_editionb.2.3.2any
asteriskasterisk_business_editionb.2.3.3any
asteriskasterisk_business_editionb.2.3.4any
asteriskasterisk_business_editionb.2.3.5any
asteriskasterisk_business_editionb.2.3.6any
asteriskasterisk_business_editionb.2.5.0any
asteriskasterisk_business_editionb.2.5.1any
asteriskasterisk_business_editionb.2.5.3any
asteriskasterisk_business_editionc.1.0any
asteriskopen_source* ≤1.2.30.4
asteriskopen_source* ≤1.4.23
asteriskopen_source* ≤1.6.0.3
asteriskopen_source1.2.0any
asteriskopen_source1.2.0any
asteriskopen_source1.2.0any
asteriskopen_source1.2.0any
asteriskopen_source1.2.0any
asteriskopen_source1.2.0beta1any
asteriskopen_source1.2.0beta2any
asteriskopen_source1.2.1any
asteriskopen_source1.2.2any
asteriskopen_source1.2.2any
asteriskopen_source1.2.3any
asteriskopen_source1.2.3any
asteriskopen_source1.2.10any
asteriskopen_source1.2.10any
asteriskopen_source1.2.11any
asteriskopen_source1.2.11any
asteriskopen_source1.2.12any
asteriskopen_source1.2.12any
asteriskopen_source1.2.12.1any
asteriskopen_source1.2.12.1any
asteriskopen_source1.2.13any
asteriskopen_source1.2.13any
asteriskopen_source1.2.14any
asteriskopen_source1.2.14any
asteriskopen_source1.2.15any
asteriskopen_source1.2.15any
asteriskopen_source1.2.16any
asteriskopen_source1.2.16any
asteriskopen_source1.2.17any
asteriskopen_source1.2.17any
asteriskopen_source1.2.18any
asteriskopen_source1.2.18any
asteriskopen_source1.2.19any
asteriskopen_source1.2.19any
asteriskopen_source1.2.20any
asteriskopen_source1.2.20any
asteriskopen_source1.2.21any
asteriskopen_source1.2.21any
asteriskopen_source1.2.21.1any
asteriskopen_source1.2.21.1any
asteriskopen_source1.2.22any
asteriskopen_source1.2.22any
asteriskopen_source1.2.23any
asteriskopen_source1.2.23any
asteriskopen_source1.2.24any
asteriskopen_source1.2.24any
asteriskopen_source1.2.25any
asteriskopen_source1.2.25any
asteriskopen_source1.2.26any
asteriskopen_source1.2.26any
asteriskopen_source1.2.26.1any
asteriskopen_source1.2.26.1any
asteriskopen_source1.2.26.2any
asteriskopen_source1.2.26.2any
asteriskopen_source1.2.27any
asteriskopen_source1.2.28any
asteriskopen_source1.2.29any
asteriskopen_source1.2.30any
asteriskopen_source1.2.30.2any
asteriskopen_source1.2.30.3any
asteriskopen_source1.4.0any
asteriskopen_source1.4.0any
asteriskopen_source1.4.0any
asteriskopen_source1.4.0any
asteriskopen_source1.4.1any
asteriskopen_source1.4.2any
asteriskopen_source1.4.3any
asteriskopen_source1.4.4any
asteriskopen_source1.4.5any
asteriskopen_source1.4.6any
asteriskopen_source1.4.7any
asteriskopen_source1.4.7.1any
asteriskopen_source1.4.8any
asteriskopen_source1.4.9any
asteriskopen_source1.4.10any
asteriskopen_source1.4.10.1any
asteriskopen_source1.4.11any
asteriskopen_source1.4.12any
asteriskopen_source1.4.12.1any
asteriskopen_source1.4.13any
asteriskopen_source1.4.14any
asteriskopen_source1.4.15any
asteriskopen_source1.4.16any
asteriskopen_source1.4.16.1any
asteriskopen_source1.4.16.2any
asteriskopen_source1.4.17any
asteriskopen_source1.4.18any
asteriskopen_source1.4.18.1any
asteriskopen_source1.4.19any
asteriskopen_source1.4.19any
asteriskopen_source1.4.19any
asteriskopen_source1.4.19any
asteriskopen_source1.4.19any
asteriskopen_source1.4.19.1any
asteriskopen_source1.4.19.2any
asteriskopen_source1.4.20any
asteriskopen_source1.4.20any
asteriskopen_source1.4.20any
asteriskopen_source1.4.20any
asteriskopen_source1.4.21any
asteriskopen_source1.4.21any
asteriskopen_source1.4.21any
asteriskopen_source1.4.21.1any
asteriskopen_source1.4.21.2any
asteriskopen_source1.4.22any
asteriskopen_source1.4.22any
asteriskopen_source1.4.22any
asteriskopen_source1.4.22.1any
asteriskopen_source1.4.22.2any
asteriskopen_source1.4.23any
asteriskopen_source1.4.23any
asteriskopen_source1.4.23any
asteriskopen_source1.4_revision_95946any
asteriskopen_source1.4betaany
asteriskopen_source1.6.0any
asteriskopen_source1.6.0any
asteriskopen_source1.6.0any
asteriskopen_source1.6.0any
asteriskopen_source1.6.0any
asteriskopen_source1.6.0any
asteriskopen_source1.6.0any
asteriskopen_source1.6.0any
asteriskopen_source1.6.0any
asteriskopen_source1.6.0any
asteriskopen_source1.6.0any
asteriskopen_source1.6.0any
asteriskopen_source1.6.0.1any
asteriskopen_source1.6.0.2any
asteriskopen_source1.6.0.3any
asterisks800i_appliance1.2any

References 11

Remediation