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cvelistRedhatCVELIST:CVE-2009-3727
HistoryNov 10, 2009 - 6:00 p.m.

CVE-2009-3727

2009-11-1018:00:00
redhat
www.cve.org
2

AI Score

6.2

Confidence

Low

EPSS

0.013

Percentile

85.9%

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.

AI Score

6.2

Confidence

Low

EPSS

0.013

Percentile

85.9%