Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.007
EPSS Ranking 70.5%
CVSS Severity
CVSS v2 Score 5.0
Products affected by CVE-2009-0041
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cpe:2.3:a:asterisk:asterisk_business_edition:*
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cpe:2.3:a:asterisk:asterisk_business_edition:a
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cpe:2.3:a:asterisk:asterisk_business_edition:b.1.3.2
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cpe:2.3:a:asterisk:asterisk_business_edition:b.1.3.3
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cpe:2.3:a:asterisk:asterisk_business_edition:b.2.2.0
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cpe:2.3:a:asterisk:asterisk_business_edition:b.2.2.1
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cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.1
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cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.2
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cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.3
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cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.4
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cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.5
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cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.6
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cpe:2.3:a:asterisk:asterisk_business_edition:b.2.5.0
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cpe:2.3:a:asterisk:asterisk_business_edition:b.2.5.1
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cpe:2.3:a:asterisk:asterisk_business_edition:b.2.5.3
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cpe:2.3:a:asterisk:asterisk_business_edition:c.1.0
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cpe:2.3:a:asterisk:open_source:*
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cpe:2.3:a:asterisk:open_source:1.2.0
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cpe:2.3:a:asterisk:open_source:1.2.0beta1
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cpe:2.3:a:asterisk:open_source:1.2.0beta2
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cpe:2.3:a:asterisk:open_source:1.2.1
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cpe:2.3:a:asterisk:open_source:1.2.10
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cpe:2.3:a:asterisk:open_source:1.2.11
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cpe:2.3:a:asterisk:open_source:1.2.12
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cpe:2.3:a:asterisk:open_source:1.2.12.1
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cpe:2.3:a:asterisk:open_source:1.2.13
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cpe:2.3:a:asterisk:open_source:1.2.14
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cpe:2.3:a:asterisk:open_source:1.2.15
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cpe:2.3:a:asterisk:open_source:1.2.16
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cpe:2.3:a:asterisk:open_source:1.2.17
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cpe:2.3:a:asterisk:open_source:1.2.18
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cpe:2.3:a:asterisk:open_source:1.2.19
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cpe:2.3:a:asterisk:open_source:1.2.2
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cpe:2.3:a:asterisk:open_source:1.2.20
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cpe:2.3:a:asterisk:open_source:1.2.21
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cpe:2.3:a:asterisk:open_source:1.2.21.1
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cpe:2.3:a:asterisk:open_source:1.2.22
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cpe:2.3:a:asterisk:open_source:1.2.23
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cpe:2.3:a:asterisk:open_source:1.2.24
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cpe:2.3:a:asterisk:open_source:1.2.25
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cpe:2.3:a:asterisk:open_source:1.2.26
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cpe:2.3:a:asterisk:open_source:1.2.26.1
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cpe:2.3:a:asterisk:open_source:1.2.26.2
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cpe:2.3:a:asterisk:open_source:1.2.27
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cpe:2.3:a:asterisk:open_source:1.2.28
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cpe:2.3:a:asterisk:open_source:1.2.29
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cpe:2.3:a:asterisk:open_source:1.2.3
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cpe:2.3:a:asterisk:open_source:1.2.30
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cpe:2.3:a:asterisk:open_source:1.2.30.2
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cpe:2.3:a:asterisk:open_source:1.2.30.3
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cpe:2.3:a:asterisk:open_source:1.4.0
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cpe:2.3:a:asterisk:open_source:1.4.1
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cpe:2.3:a:asterisk:open_source:1.4.10
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cpe:2.3:a:asterisk:open_source:1.4.10.1
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cpe:2.3:a:asterisk:open_source:1.4.11
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cpe:2.3:a:asterisk:open_source:1.4.12
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cpe:2.3:a:asterisk:open_source:1.4.12.1
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cpe:2.3:a:asterisk:open_source:1.4.13
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cpe:2.3:a:asterisk:open_source:1.4.14
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cpe:2.3:a:asterisk:open_source:1.4.15
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cpe:2.3:a:asterisk:open_source:1.4.16
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cpe:2.3:a:asterisk:open_source:1.4.16.1
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cpe:2.3:a:asterisk:open_source:1.4.16.2
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cpe:2.3:a:asterisk:open_source:1.4.17
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cpe:2.3:a:asterisk:open_source:1.4.18
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cpe:2.3:a:asterisk:open_source:1.4.18.1
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cpe:2.3:a:asterisk:open_source:1.4.19
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cpe:2.3:a:asterisk:open_source:1.4.19.1
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cpe:2.3:a:asterisk:open_source:1.4.19.2
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cpe:2.3:a:asterisk:open_source:1.4.2
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cpe:2.3:a:asterisk:open_source:1.4.20
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cpe:2.3:a:asterisk:open_source:1.4.21
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cpe:2.3:a:asterisk:open_source:1.4.21.1
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cpe:2.3:a:asterisk:open_source:1.4.21.2
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cpe:2.3:a:asterisk:open_source:1.4.22
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cpe:2.3:a:asterisk:open_source:1.4.22.1
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cpe:2.3:a:asterisk:open_source:1.4.22.2
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cpe:2.3:a:asterisk:open_source:1.4.23
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cpe:2.3:a:asterisk:open_source:1.4.3
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cpe:2.3:a:asterisk:open_source:1.4.4
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cpe:2.3:a:asterisk:open_source:1.4.5
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cpe:2.3:a:asterisk:open_source:1.4.6
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cpe:2.3:a:asterisk:open_source:1.4.7
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cpe:2.3:a:asterisk:open_source:1.4.7.1
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cpe:2.3:a:asterisk:open_source:1.4.8
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cpe:2.3:a:asterisk:open_source:1.4.9
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cpe:2.3:a:asterisk:open_source:1.4_revision_95946
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cpe:2.3:a:asterisk:open_source:1.4beta
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cpe:2.3:a:asterisk:open_source:1.6.0
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cpe:2.3:a:asterisk:open_source:1.6.0.1
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cpe:2.3:a:asterisk:open_source:1.6.0.2
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cpe:2.3:a:asterisk:open_source:1.6.0.3
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cpe:2.3:h:asterisk:s800i_appliance:1.2