Attacker Value
Unknown
CVE-2011-2536
Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)User Interaction
Unknown
Privileges Required
Unknown
Attack Vector
Unknown
MITRE ATT&CK
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Description
chan_sip.c in the SIP channel driver in Asterisk Open Source 1.4.x before 1.4.41.2, 1.6.2.x before 1.6.2.18.2, and 1.8.x before 1.8.4.4, and Asterisk Business Edition C.3.x before C.3.7.3, disregards the alwaysauthreject option and generates different responses for invalid SIP requests depending on whether the user account exists, which allows remote attackers to enumerate account names via a series of requests.
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
None
Impact Score:
Unknown
Exploitability Score:
Unknown
Attack Vector (AV):
Unknown
Attack Complexity (AC):
Unknown
Privileges Required (PR):
Unknown
User Interaction (UI):
Unknown
Scope (S):
Unknown
Confidentiality (C):
Unknown
Integrity (I):
Unknown
Availability (A):
Unknown
General Information
Vendors
- digium
Products
- asterisk 1.4.0,
- asterisk 1.4.1,
- asterisk 1.4.10,
- asterisk 1.4.10.1,
- asterisk 1.4.11,
- asterisk 1.4.12,
- asterisk 1.4.12.1,
- asterisk 1.4.13,
- asterisk 1.4.14,
- asterisk 1.4.15,
- asterisk 1.4.16,
- asterisk 1.4.16.1,
- asterisk 1.4.16.2,
- asterisk 1.4.17,
- asterisk 1.4.18,
- asterisk 1.4.19,
- asterisk 1.4.19.1,
- asterisk 1.4.19.2,
- asterisk 1.4.2,
- asterisk 1.4.20,
- asterisk 1.4.20.1,
- asterisk 1.4.21,
- asterisk 1.4.21.1,
- asterisk 1.4.21.2,
- asterisk 1.4.22,
- asterisk 1.4.22.1,
- asterisk 1.4.22.2,
- asterisk 1.4.23,
- asterisk 1.4.23.1,
- asterisk 1.4.23.2,
- asterisk 1.4.24,
- asterisk 1.4.24.1,
- asterisk 1.4.25,
- asterisk 1.4.25.1,
- asterisk 1.4.26,
- asterisk 1.4.26.1,
- asterisk 1.4.26.2,
- asterisk 1.4.26.3,
- asterisk 1.4.27,
- asterisk 1.4.27.1,
- asterisk 1.4.28,
- asterisk 1.4.29,
- asterisk 1.4.29.1,
- asterisk 1.4.3,
- asterisk 1.4.30,
- asterisk 1.4.31,
- asterisk 1.4.32,
- asterisk 1.4.33,
- asterisk 1.4.33.1,
- asterisk 1.4.34,
- asterisk 1.4.35,
- asterisk 1.4.36,
- asterisk 1.4.37,
- asterisk 1.4.38,
- asterisk 1.4.39,
- asterisk 1.4.39.1,
- asterisk 1.4.39.2,
- asterisk 1.4.4,
- asterisk 1.4.40,
- asterisk 1.4.40.1,
- asterisk 1.4.40.2,
- asterisk 1.4.41,
- asterisk 1.4.41.1,
- asterisk 1.4.5,
- asterisk 1.4.6,
- asterisk 1.4.7,
- asterisk 1.4.7.1,
- asterisk 1.4.8,
- asterisk 1.4.9,
- asterisk 1.6.2.0,
- asterisk 1.6.2.1,
- asterisk 1.6.2.15,
- asterisk 1.6.2.16,
- asterisk 1.6.2.16.1,
- asterisk 1.6.2.16.2,
- asterisk 1.6.2.17,
- asterisk 1.6.2.17.1,
- asterisk 1.6.2.17.2,
- asterisk 1.6.2.17.3,
- asterisk 1.6.2.18,
- asterisk 1.6.2.18.1,
- asterisk 1.6.2.2,
- asterisk 1.6.2.3,
- asterisk 1.6.2.4,
- asterisk 1.6.2.5,
- asterisk 1.6.2.6,
- asterisk 1.8.0,
- asterisk 1.8.1,
- asterisk 1.8.1.1,
- asterisk 1.8.1.2,
- asterisk 1.8.2,
- asterisk 1.8.2.1,
- asterisk 1.8.2.2,
- asterisk 1.8.2.3,
- asterisk 1.8.2.4,
- asterisk 1.8.3,
- asterisk 1.8.3.1,
- asterisk 1.8.3.2,
- asterisk 1.8.3.3,
- asterisk 1.8.4,
- asterisk 1.8.4.1,
- asterisk 1.8.4.2,
- asterisk 1.8.4.3,
- asterisk c.3.0,
- asterisk c.3.1.0,
- asterisk c.3.1.1,
- asterisk c.3.2.2,
- asterisk c.3.2.3,
- asterisk c.3.3.2,
- asterisk c.3.6.2,
- asterisk c.3.6.3,
- asterisk c.3.6.4
