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cvelistMitreCVELIST:CVE-2013-2264
HistoryOct 03, 2022 - 4:14 p.m.

CVE-2013-2264

2022-10-0316:14:59
mitre
www.cve.org
1
asterisk
sip
vulnerability
remote attackers
account enumeration
http status codes
forbidden response

AI Score

6.3

Confidence

Low

EPSS

0.005

Percentile

75.4%

The SIP channel driver in Asterisk Open Source 1.8.x before 1.8.20.2, 10.x before 10.12.2, and 11.x before 11.2.2; Certified Asterisk 1.8.15 before 1.8.15-cert2; Asterisk Business Edition (BE) C.3.x before C.3.8.1; and Asterisk Digiumphones 10.x-digiumphones before 10.12.2-digiumphones exhibits different behavior for invalid INVITE, SUBSCRIBE, and REGISTER transactions depending on whether the user account exists, which allows remote attackers to enumerate account names by (1) reading HTTP status codes, (2) reading additional text in a 403 (aka Forbidden) response, or (3) observing whether certain retransmissions occur.

AI Score

6.3

Confidence

Low

EPSS

0.005

Percentile

75.4%