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7.5
CVSSv3

CVE-2021-26712

Published: 18/02/2021 Updated: 24/02/2021
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Vulnerability Summary

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 malicious user to prematurely terminate secure calls by replaying SRTP packets.

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digium asterisk

digium certified asterisk 16.8

Mailing Lists

Full Disclosure: AST-2021-003: Remote attacker could prematurely tear down SRTP calls
Asterisk Project Security Advisory - AST-2021-003 Product Asterisk Summary Remote attacker could prematurely tear down SRTP calls Nature of Advisory Denial of Service ...

References

NVD-CWE-Otherhttp://packetstormsecurity.com/files/161473/Asterisk-Project-Security-Advisory-AST-2021-003.htmlhttp://seclists.org/fulldisclosure/2021/Feb/59https://downloads.asterisk.org/pub/security/https://downloads.asterisk.org/pub/security/AST-2021-003.htmlhttps://issues.asterisk.org/jira/browse/ASTERISK-29260https://nvd.nist.govhttp://seclists.org/fulldisclosure/2021/Feb/59
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2023-40673CVE-2024-36674CVE-2024-27348unspecifiedCVE-2024-24919CVE-2024-4870malicious code‎CVE-2024-2019hard-coded
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