Vulnerability in Digium Asterisk
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.
EPSS: 0.036 (88.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Digium Asterisk
- Digium Certified_asterisk — versions 16.8
- N/a — versions n/a
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (mailing-list, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Issue Tracking, Vendor Advisory)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-26712?
- CVE-2021-26712 is a high-severity vulnerability in Digium Asterisk. CVSS score: 7.5/10. Published 2021-02-18.
- How severe is CVE-2021-26712?
- High severity. CVSS v3 base score is 7.5 out of 10.