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Vulnerability record · CVE-2007-2294 · published 26 April 2007

CVE-2007-2294: Asterisk vulnerability

Asterisk · Asterisk

The Manager Interface in Asterisk before 1.2.18 and 1.4.x before 1.4.3 allows remote attackers to cause a denial of service (crash) by using MD5 authentication to authenticate a user that does not have a password defined in manager.conf, resulting in a NULL pointer dereference.

7.8 CVSS 2.0 High EPSS 3.9% · top 10.2%
7.8CVSS 2.0 base score
3.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
24References
16 Jun 2026Last modified by NVD

Description

The Manager Interface in Asterisk before 1.2.18 and 1.4.x before 1.4.3 allows remote attackers to cause a denial of service (crash) by using MD5 authentication to authenticate a user that does not have a password defined in manager.conf, resulting in a NULL pointer dereference.

AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/24977 PatchVendor Advisory
http://secunia.com/advisories/25582
http://securityreason.com/securityalert/2646
http://www.asterisk.org/files/ASA-2007-012.pdf
http://www.debian.org/security/2007/dsa-1358
http://www.novell.com/linux/security/advisories/2007_34_asterisk.html
http://www.osvdb.org/35369
http://www.securityfocus.com/archive/1/466911/100/0/threaded
http://www.securityfocus.com/bid/23649
http://www.securitytracker.com/id?1017955
http://www.vupen.com/english/advisories/2007/1534
https://exchange.xforce.ibmcloud.com/vulnerabilities/33886
http://secunia.com/advisories/24977 PatchVendor Advisory
http://secunia.com/advisories/25582
http://securityreason.com/securityalert/2646
http://www.asterisk.org/files/ASA-2007-012.pdf
http://www.debian.org/security/2007/dsa-1358
http://www.novell.com/linux/security/advisories/2007_34_asterisk.html
http://www.osvdb.org/35369
http://www.securityfocus.com/archive/1/466911/100/0/threaded
http://www.securityfocus.com/bid/23649
http://www.securitytracker.com/id?1017955
http://www.vupen.com/english/advisories/2007/1534
https://exchange.xforce.ibmcloud.com/vulnerabilities/33886

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2007-2488Asterisk vulnerabilityThe IAX2 channel driver (chan_iax2) in Asterisk before 20070504 does not properly null terminate data, which allows remote attackers to trigger loss …EPSS 4.3%9.3CVE-2008-1390Asterisk vulnerabilityThe AsteriskGUI HTTP server in Asterisk Open Source 1.4.x before 1.4.19-rc3 and 1.6.x before 1.6.0-beta6, Business Edition C.x.x before C.1.6, Asteri…EPSS 3.8%9.3CVE-2007-3762Asterisk vulnerabilityStack-based buffer overflow in the IAX2 channel driver (chan_iax2) in Asterisk before 1.2.22 and 1.4.x before 1.4.8, Business Edition before B.2.2.1,…EPSS 5.5%8.8CVE-2024-42365Asterisk vulnerabilityAsterisk is an open source private branch exchange (PBX) and telephony toolkit. Prior to asterisk versions 18.24.2, 20.9.2, and 21.4.2 and certified-…EPSS 4.7%8.8CVE-2008-1332Asterisk permissions and access controls vulnerabilityUnspecified vulnerability in Asterisk Open Source 1.2.x before 1.2.27, 1.4.x before 1.4.18.1 and 1.4.19-rc3; Business Edition A.x.x, B.x.x before B.2…EPSS 2.3%7.8CVE-2009-2346Asterisk memory buffer overflow vulnerabilityThe IAX2 protocol implementation in Asterisk Open Source 1.2.x before 1.2.35, 1.4.x before 1.4.26.2, 1.6.0.x before 1.6.0.15, and 1.6.1.x before 1.6.…EPSS 2.6%7.8CVE-2008-3263Asterisk vulnerabilityThe IAX2 protocol implementation in Asterisk Open Source 1.0.x, 1.2.x before 1.2.30, and 1.4.x before 1.4.21.2; Business Edition A.x.x, B.x.x before …EPSS 28%7.8CVE-2007-2297Asterisk vulnerabilityThe SIP channel driver (chan_sip) in Asterisk before 1.2.18 and 1.4.x before 1.4.3 does not properly parse SIP UDP packets that do not contain a vali…EPSS 2.4%

Source: NIST National Vulnerability Database (record CVE-2007-2294), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.