Ubuntu.comUB:CVE-2021-26712CVE-2021-26712
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.015 Low
EPSS
Percentile
87.1%
Incorrect access controls in res_srtp.c in Sangoma Asterisk 13.38.1,
16.16.0, 17.9.1, and 18.2.0 and Certified Asterisk 16.8-cert5 allow a
remote unauthenticated attacker to prematurely terminate secure calls by
replaying SRTP packets.
References
packetstormsecurity.com/files/161473/Asterisk-Project-Security-Advisory-AST-2021-003.html
seclists.org/fulldisclosure/2021/Feb/59
downloads.asterisk.org/pub/security/
downloads.asterisk.org/pub/security/AST-2021-003.html
issues.asterisk.org/jira/browse/ASTERISK-29260
launchpad.net/bugs/cve/CVE-2021-26712
nvd.nist.gov/vuln/detail/CVE-2021-26712
security-tracker.debian.org/tracker/CVE-2021-26712
www.cve.org/CVERecord?id=CVE-2021-26712
Related
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.015 Low
EPSS
Percentile
87.1%