CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS
Percentile
79.1%
An issue was discovered in channels/chan_sip.c in Sangoma Asterisk 13.x before 13.29.2, 16.x before 16.6.2, and 17.x before 17.0.1, and Certified Asterisk 13.21 before cert5. A SIP request can be sent to Asterisk that can change a SIP peer’s IP address. A REGISTER does not need to occur, and calls can be hijacked as a result. The only thing that needs to be known is the peer’s name; authentication details such as passwords do not need to be known. This vulnerability is only exploitable when the nat option is set to the default, or auto_force_rport.
Vendor | Product | Version | CPE |
---|---|---|---|
digium | asterisk | * | cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* |
digium | certified_asterisk | 13.21.0 | cpe:2.3:a:digium:certified_asterisk:13.21.0:*:*:*:*:*:*:* |
digium | certified_asterisk | 13.21.0 | cpe:2.3:a:digium:certified_asterisk:13.21.0:cert1:*:*:*:*:*:* |
digium | certified_asterisk | 13.21.0 | cpe:2.3:a:digium:certified_asterisk:13.21.0:cert2:*:*:*:*:*:* |
digium | certified_asterisk | 13.21.0 | cpe:2.3:a:digium:certified_asterisk:13.21.0:cert3:*:*:*:*:*:* |
digium | certified_asterisk | 13.21.0 | cpe:2.3:a:digium:certified_asterisk:13.21.0:cert4:*:*:*:*:*:* |
digium | certified_asterisk | 13.21.0 | cpe:2.3:a:digium:certified_asterisk:13.21.0:rc1:*:*:*:*:*:* |
debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS
Percentile
79.1%