NVD
- Id
- 50910
- Name
- CVE-2009-3727
- Description
- Asterisk Open Source 1.2.x before 1.2.35, 1.4.x before 1.4.26.3, 1.6.0.x before 1.6.0.17, and 1.6.1.x before 1.6.1.9; Business Edition A.x.x, B.x.x before B.2.5.12, C.2.x.x before C.2.4.5, and C.3.x.x before C.3.2.2; AsteriskNOW 1.5; and s800i 1.3.x before 1.3.0.5 generate different error messages depending on whether a SIP username is valid, which allows remote attackers to enumerate valid usernames via multiple crafted REGISTER messages with inconsistent usernames in the URI in the To header and the Digest in the Authorization header.
- Reject
- CVSS Version
- 2
- CVSS Score
- 5
- Severity
- Medium
- CVSS Base Score
- 5
- CVSS Impact Subscore
- 2.9
- CVSS Exploit Subscore
- 10
- CVSS Vector
- (AV:N/AC:L/Au:N/C:P/I:N/A:N)
- Pub Date
- 2017-01-07
- Published
- 2009-11-10
- Modified Date
- 2009-12-23
- Seq
- 2009-3727