Vulnerability Monitor

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CVE-2021-26712

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.

Published

2021-02-18T21:15:11.447

Last Modified

2024-11-21T05:56:43.550

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    NVD-CWE-Other
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application digium asterisk ≤ 13.38.2 Yes
Application digium asterisk < 16.16.1 Yes
Application digium asterisk < 17.9.2 Yes
Application digium asterisk < 18.2.1 Yes
Application digium certified_asterisk 16.8 Yes
Application digium certified_asterisk 16.8 Yes
Application digium certified_asterisk 16.8 Yes
Application digium certified_asterisk 16.8 Yes
Application digium certified_asterisk 16.8 Yes
Application digium certified_asterisk 16.8 Yes
Application digium certified_asterisk 16.8 Yes
Application digium certified_asterisk 16.8 Yes
Application digium certified_asterisk 16.8 Yes
Application digium certified_asterisk 16.8 Yes
Application digium certified_asterisk 16.8 Yes
Application digium certified_asterisk 16.8 Yes
Application digium certified_asterisk 16.8 Yes
References