cve.bz

CVE-2021-26712

7.5 highEPSS 3.6%

High (7.5) in digium. EPSS 3.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
3.6% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-10-31)
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON