CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2011-2536

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.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.002

EPSS Ranking 41.2%

CVSS Severity

CVSS v2 Score 5.0

References

Products affected by CVE-2011-2536

Digium » Asterisk » Version: 1.4.0

cpe:2.3:a:digium:asterisk:1.4.0
Digium » Asterisk » Version: 1.4.1

cpe:2.3:a:digium:asterisk:1.4.1
Digium » Asterisk » Version: 1.4.10

cpe:2.3:a:digium:asterisk:1.4.10
Digium » Asterisk » Version: 1.4.10.1

cpe:2.3:a:digium:asterisk:1.4.10.1
Digium » Asterisk » Version: 1.4.11

cpe:2.3:a:digium:asterisk:1.4.11
Digium » Asterisk » Version: 1.4.12

cpe:2.3:a:digium:asterisk:1.4.12
Digium » Asterisk » Version: 1.4.12.1

cpe:2.3:a:digium:asterisk:1.4.12.1
Digium » Asterisk » Version: 1.4.13

cpe:2.3:a:digium:asterisk:1.4.13
Digium » Asterisk » Version: 1.4.14

cpe:2.3:a:digium:asterisk:1.4.14
Digium » Asterisk » Version: 1.4.15

cpe:2.3:a:digium:asterisk:1.4.15
Digium » Asterisk » Version: 1.4.16

cpe:2.3:a:digium:asterisk:1.4.16
Digium » Asterisk » Version: 1.4.16.1

cpe:2.3:a:digium:asterisk:1.4.16.1
Digium » Asterisk » Version: 1.4.16.2

cpe:2.3:a:digium:asterisk:1.4.16.2
Digium » Asterisk » Version: 1.4.17

cpe:2.3:a:digium:asterisk:1.4.17
Digium » Asterisk » Version: 1.4.18

cpe:2.3:a:digium:asterisk:1.4.18
Digium » Asterisk » Version: 1.4.19

cpe:2.3:a:digium:asterisk:1.4.19
Digium » Asterisk » Version: 1.4.19.1

cpe:2.3:a:digium:asterisk:1.4.19.1
Digium » Asterisk » Version: 1.4.19.2

cpe:2.3:a:digium:asterisk:1.4.19.2
Digium » Asterisk » Version: 1.4.2

cpe:2.3:a:digium:asterisk:1.4.2
Digium » Asterisk » Version: 1.4.20

cpe:2.3:a:digium:asterisk:1.4.20
Digium » Asterisk » Version: 1.4.20.1

cpe:2.3:a:digium:asterisk:1.4.20.1
Digium » Asterisk » Version: 1.4.21

cpe:2.3:a:digium:asterisk:1.4.21
Digium » Asterisk » Version: 1.4.21.1

cpe:2.3:a:digium:asterisk:1.4.21.1
Digium » Asterisk » Version: 1.4.21.2

cpe:2.3:a:digium:asterisk:1.4.21.2
Digium » Asterisk » Version: 1.4.22

cpe:2.3:a:digium:asterisk:1.4.22
Digium » Asterisk » Version: 1.4.22.1

cpe:2.3:a:digium:asterisk:1.4.22.1
Digium » Asterisk » Version: 1.4.22.2

cpe:2.3:a:digium:asterisk:1.4.22.2
Digium » Asterisk » Version: 1.4.23

cpe:2.3:a:digium:asterisk:1.4.23
Digium » Asterisk » Version: 1.4.23.1

cpe:2.3:a:digium:asterisk:1.4.23.1
Digium » Asterisk » Version: 1.4.23.2

cpe:2.3:a:digium:asterisk:1.4.23.2
Digium » Asterisk » Version: 1.4.24

cpe:2.3:a:digium:asterisk:1.4.24
Digium » Asterisk » Version: 1.4.24.1

cpe:2.3:a:digium:asterisk:1.4.24.1
Digium » Asterisk » Version: 1.4.25

cpe:2.3:a:digium:asterisk:1.4.25
Digium » Asterisk » Version: 1.4.25.1

cpe:2.3:a:digium:asterisk:1.4.25.1
Digium » Asterisk » Version: 1.4.26

cpe:2.3:a:digium:asterisk:1.4.26
Digium » Asterisk » Version: 1.4.26.1

cpe:2.3:a:digium:asterisk:1.4.26.1
Digium » Asterisk » Version: 1.4.26.2

cpe:2.3:a:digium:asterisk:1.4.26.2
Digium » Asterisk » Version: 1.4.26.3

cpe:2.3:a:digium:asterisk:1.4.26.3
Digium » Asterisk » Version: 1.4.27

cpe:2.3:a:digium:asterisk:1.4.27
Digium » Asterisk » Version: 1.4.27.1

cpe:2.3:a:digium:asterisk:1.4.27.1
Digium » Asterisk » Version: 1.4.28

cpe:2.3:a:digium:asterisk:1.4.28
Digium » Asterisk » Version: 1.4.29

cpe:2.3:a:digium:asterisk:1.4.29
Digium » Asterisk » Version: 1.4.29.1

cpe:2.3:a:digium:asterisk:1.4.29.1
Digium » Asterisk » Version: 1.4.3

cpe:2.3:a:digium:asterisk:1.4.3
Digium » Asterisk » Version: 1.4.30

cpe:2.3:a:digium:asterisk:1.4.30
Digium » Asterisk » Version: 1.4.31

cpe:2.3:a:digium:asterisk:1.4.31
Digium » Asterisk » Version: 1.4.32

cpe:2.3:a:digium:asterisk:1.4.32
Digium » Asterisk » Version: 1.4.33

cpe:2.3:a:digium:asterisk:1.4.33
Digium » Asterisk » Version: 1.4.33.1

cpe:2.3:a:digium:asterisk:1.4.33.1
Digium » Asterisk » Version: 1.4.34

cpe:2.3:a:digium:asterisk:1.4.34
Digium » Asterisk » Version: 1.4.35

cpe:2.3:a:digium:asterisk:1.4.35
Digium » Asterisk » Version: 1.4.36

cpe:2.3:a:digium:asterisk:1.4.36
Digium » Asterisk » Version: 1.4.37

cpe:2.3:a:digium:asterisk:1.4.37
Digium » Asterisk » Version: 1.4.38

cpe:2.3:a:digium:asterisk:1.4.38
Digium » Asterisk » Version: 1.4.39

cpe:2.3:a:digium:asterisk:1.4.39
Digium » Asterisk » Version: 1.4.39.1

cpe:2.3:a:digium:asterisk:1.4.39.1
Digium » Asterisk » Version: 1.4.39.2

cpe:2.3:a:digium:asterisk:1.4.39.2
Digium » Asterisk » Version: 1.4.4

cpe:2.3:a:digium:asterisk:1.4.4
Digium » Asterisk » Version: 1.4.40

cpe:2.3:a:digium:asterisk:1.4.40
Digium » Asterisk » Version: 1.4.40.1

cpe:2.3:a:digium:asterisk:1.4.40.1
Digium » Asterisk » Version: 1.4.40.2

cpe:2.3:a:digium:asterisk:1.4.40.2
Digium » Asterisk » Version: 1.4.41

cpe:2.3:a:digium:asterisk:1.4.41
Digium » Asterisk » Version: 1.4.41.1

cpe:2.3:a:digium:asterisk:1.4.41.1
Digium » Asterisk » Version: 1.4.5

cpe:2.3:a:digium:asterisk:1.4.5
Digium » Asterisk » Version: 1.4.6

cpe:2.3:a:digium:asterisk:1.4.6
Digium » Asterisk » Version: 1.4.7

cpe:2.3:a:digium:asterisk:1.4.7
Digium » Asterisk » Version: 1.4.7.1

cpe:2.3:a:digium:asterisk:1.4.7.1
Digium » Asterisk » Version: 1.4.8

cpe:2.3:a:digium:asterisk:1.4.8
Digium » Asterisk » Version: 1.4.9

cpe:2.3:a:digium:asterisk:1.4.9
Digium » Asterisk » Version: 1.6.2.0

cpe:2.3:a:digium:asterisk:1.6.2.0
Digium » Asterisk » Version: 1.6.2.1

cpe:2.3:a:digium:asterisk:1.6.2.1
Digium » Asterisk » Version: 1.6.2.15

cpe:2.3:a:digium:asterisk:1.6.2.15
Digium » Asterisk » Version: 1.6.2.16

cpe:2.3:a:digium:asterisk:1.6.2.16
Digium » Asterisk » Version: 1.6.2.16.1

cpe:2.3:a:digium:asterisk:1.6.2.16.1
Digium » Asterisk » Version: 1.6.2.16.2

cpe:2.3:a:digium:asterisk:1.6.2.16.2
Digium » Asterisk » Version: 1.6.2.17

cpe:2.3:a:digium:asterisk:1.6.2.17
Digium » Asterisk » Version: 1.6.2.17.1

cpe:2.3:a:digium:asterisk:1.6.2.17.1
Digium » Asterisk » Version: 1.6.2.17.2

cpe:2.3:a:digium:asterisk:1.6.2.17.2
Digium » Asterisk » Version: 1.6.2.17.3

cpe:2.3:a:digium:asterisk:1.6.2.17.3
Digium » Asterisk » Version: 1.6.2.18

cpe:2.3:a:digium:asterisk:1.6.2.18
Digium » Asterisk » Version: 1.6.2.18.1

cpe:2.3:a:digium:asterisk:1.6.2.18.1
Digium » Asterisk » Version: 1.6.2.2

cpe:2.3:a:digium:asterisk:1.6.2.2
Digium » Asterisk » Version: 1.6.2.3

cpe:2.3:a:digium:asterisk:1.6.2.3
Digium » Asterisk » Version: 1.6.2.4

cpe:2.3:a:digium:asterisk:1.6.2.4
Digium » Asterisk » Version: 1.6.2.5

cpe:2.3:a:digium:asterisk:1.6.2.5
Digium » Asterisk » Version: 1.6.2.6

cpe:2.3:a:digium:asterisk:1.6.2.6
Digium » Asterisk » Version: 1.8.0

cpe:2.3:a:digium:asterisk:1.8.0
Digium » Asterisk » Version: 1.8.1

cpe:2.3:a:digium:asterisk:1.8.1
Digium » Asterisk » Version: 1.8.1.1

cpe:2.3:a:digium:asterisk:1.8.1.1
Digium » Asterisk » Version: 1.8.1.2

cpe:2.3:a:digium:asterisk:1.8.1.2
Digium » Asterisk » Version: 1.8.2

cpe:2.3:a:digium:asterisk:1.8.2
Digium » Asterisk » Version: 1.8.2.1

cpe:2.3:a:digium:asterisk:1.8.2.1
Digium » Asterisk » Version: 1.8.2.2

cpe:2.3:a:digium:asterisk:1.8.2.2
Digium » Asterisk » Version: 1.8.2.3

cpe:2.3:a:digium:asterisk:1.8.2.3
Digium » Asterisk » Version: 1.8.2.4

cpe:2.3:a:digium:asterisk:1.8.2.4
Digium » Asterisk » Version: 1.8.3

cpe:2.3:a:digium:asterisk:1.8.3
Digium » Asterisk » Version: 1.8.3.1

cpe:2.3:a:digium:asterisk:1.8.3.1
Digium » Asterisk » Version: 1.8.3.2

cpe:2.3:a:digium:asterisk:1.8.3.2
Digium » Asterisk » Version: 1.8.3.3

cpe:2.3:a:digium:asterisk:1.8.3.3
Digium » Asterisk » Version: 1.8.4

cpe:2.3:a:digium:asterisk:1.8.4
Digium » Asterisk » Version: 1.8.4.1

cpe:2.3:a:digium:asterisk:1.8.4.1
Digium » Asterisk » Version: 1.8.4.2

cpe:2.3:a:digium:asterisk:1.8.4.2
Digium » Asterisk » Version: 1.8.4.3

cpe:2.3:a:digium:asterisk:1.8.4.3
Digium » Asterisk » Version: c.3.0

cpe:2.3:a:digium:asterisk:c.3.0
Digium » Asterisk » Version: c.3.1.0

cpe:2.3:a:digium:asterisk:c.3.1.0
Digium » Asterisk » Version: c.3.1.1

cpe:2.3:a:digium:asterisk:c.3.1.1
Digium » Asterisk » Version: c.3.2.2

cpe:2.3:a:digium:asterisk:c.3.2.2
Digium » Asterisk » Version: c.3.2.3

cpe:2.3:a:digium:asterisk:c.3.2.3
Digium » Asterisk » Version: c.3.3.2

cpe:2.3:a:digium:asterisk:c.3.3.2
Digium » Asterisk » Version: c.3.6.2

cpe:2.3:a:digium:asterisk:c.3.6.2
Digium » Asterisk » Version: c.3.6.3

cpe:2.3:a:digium:asterisk:c.3.6.3
Digium » Asterisk » Version: c.3.6.4

cpe:2.3:a:digium:asterisk:c.3.6.4

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2011-2536

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