4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
0.008 Low
EPSS
Percentile
81.2%
The PJSIP Channel Driver in Asterisk Open Source before 12.3.1 allows remote attackers to cause a denial of service (deadlock) by terminating a subscription request before it is complete, which triggers a SIP transaction timeout.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 11 | all | asterisk | < 1:16.28.0~dfsg-0+deb11u4 | asterisk_1:16.28.0~dfsg-0+deb11u4_all.deb |
Debian | 999 | all | asterisk | < 1:20.8.1~dfsg+~cs6.14.40431414-1 | asterisk_1:20.8.1~dfsg+~cs6.14.40431414-1_all.deb |