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Vulnerability ID | VCID-snh5-wfwb-aaaf |
Aliases |
CVE-2011-2536
|
Summary | 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. |
Status | Published |
Exploitability | 0.5 |
Weighted Severity | 4.5 |
Risk | 2.2 |
Affected and Fixed Packages | Package Details |
Exploitability (E) | Access Vector (AV) | Access Complexity (AC) | Authentication (Au) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
---|---|---|---|---|---|---|
high functional unproven proof_of_concept not_defined |
local adjacent_network network |
high medium low |
multiple single none |
none partial complete |
none partial complete |
none partial complete |
Percentile | 0.37544 |
EPSS Score | 0.00187 |
Published At | March 28, 2025, 12:55 p.m. |
Date | Actor | Action | Source | VulnerableCode Version |
---|---|---|---|---|
There are no relevant records. |