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.
CVSS Metrics
- Vector
- AV:N/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- network
- Access Cmplx
- low
- Auth
- none
- Confidentiality
- partial
- Integrity
- none
- Availability
- none
- Weaknesses
- CWE-200
Metadata
- Primary Vendor
- ASTERISK
- Published
- 1/14/2009
- Last Modified
- 4/9/2025
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
asterisk : asterisk_business_editionasterisk : asterisk_business_editionasterisk : asterisk_business_editionasterisk : asterisk_business_editionasterisk : asterisk_business_editionasterisk : asterisk_business_editionasterisk : asterisk_business_editionasterisk : asterisk_business_editionasterisk : asterisk_business_editionasterisk : asterisk_business_editionasterisk : asterisk_business_editionasterisk : asterisk_business_editionasterisk : asterisk_business_editionasterisk : asterisk_business_editionasterisk : asterisk_business_editionasterisk : asterisk_business_editionasterisk : asterisk_business_editionasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : open_sourceasterisk : s800i_appliance
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