CVE-2021-26712

CVE Database · CVE-2021-26712

CVE-2021-26712

· HIGHModified

CVSS v3.1

7.5

EPSS

3.59%

Published

Feb 18, 2021

Modified

Nov 21, 2024

Public PoC / Exploit (1)

All weaponized →

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Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products (17)

digium · asteriskvulnerable

digium · asterisk (up to 16.16.1)vulnerable

digium · asterisk (up to 17.9.2)vulnerable

digium · asterisk (up to 18.2.1)vulnerable

digium · certified_asteriskvulnerable

digium · certified_asterisk

References (10)

http://packetstormsecurity.com/files/161473/Asterisk-Project-Security-Advisory-AST-2021-003.html

Third Party Advisory

http://seclists.org/fulldisclosure/2021/Feb/59

Mailing ListThird Party Advisory

https://downloads.asterisk.org/pub/security/

Vendor Advisory

https://downloads.asterisk.org/pub/security/AST-2021-003.html

Vendor Advisory

https://issues.asterisk.org/jira/browse/ASTERISK-29260

Issue TrackingPatchVendor Advisory

http://packetstormsecurity.com/files/161473/Asterisk-Project-Security-Advisory-AST-2021-003.html

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