Vulnerability Intelligence Report
CVE-2009-0041
IAX2 in Asterisk Open Source 1.2.x before 1.2.31, 1.4.x before 1.4.23-rc4, and 1.6.x before 1.6.0.3-rc2; Business Edition A.x.x, B.x.x before B.2.5.7, C.1.x.x before C.1.10.4, and C.2.x.x before C.2.1.2.1; and s800i 1.2.x before 1.3.0 responds differently to a failed login attempt depending on whether the user account exists, which allows remote attackers to enumerate valid usernames.
No Active Exploit Signals
CVSS Base Score
5.0
MEDIUM
EPSS Probability:2.71%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| asterisk | asterisk_business_edition | a, b.1.3.2, b.1.3.3, b.2.2.0, b.2.2.1, b.2.3.1, b.2.3.2, b.2.3.3, b.2.3.4, b.2.3.5, b.2.3.6, b.2.5.0, b.2.5.1, b.2.5.3, c.1.0 |
| asterisk | open_source | 1.2.0, 1.2.0beta1, 1.2.0beta2, 1.2.1, 1.2.2, 1.2.3, 1.2.10, 1.2.11, 1.2.12, 1.2.12.1, 1.2.13, 1.2.14, 1.2.15, 1.2.16, 1.2.17, 1.2.18, 1.2.19, 1.2.20, 1.2.21, 1.2.21.1, 1.2.22, 1.2.23, 1.2.24, 1.2.25, 1.2.26, 1.2.26.1, 1.2.26.2, 1.2.27, 1.2.28, 1.2.29, 1.2.30, 1.2.30.2, 1.2.30.3, 1.4.0, 1.4.1, 1.4.2, 1.4.3, 1.4.4, 1.4.5, 1.4.6, 1.4.7, 1.4.7.1, 1.4.8, 1.4.9, 1.4.10, 1.4.10.1, 1.4.11, 1.4.12, 1.4.12.1, 1.4.13, 1.4.14, 1.4.15, 1.4.16, 1.4.16.1, 1.4.16.2, 1.4.17, 1.4.18, 1.4.18.1, 1.4.19, 1.4.19.1, 1.4.19.2, 1.4.20, 1.4.21, 1.4.21.1, 1.4.21.2, 1.4.22, 1.4.22.1, 1.4.22.2, 1.4.23, 1.4_revision_95946, 1.4beta, 1.6.0, 1.6.0.1, 1.6.0.2, 1.6.0.3 |
| asterisk | s800i_appliance | 1.2 |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
2.715%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2009-01-06T00:00:00 |
| Published | 2009-01-14T23:00:00 |
| Patch Date | 2009-01-08 |
| Last Updated | 2024-08-07T04:17:10 |
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