What is CVE-2020-35652?

CVE-2020-35652 is a medium-severity vulnerability in Digium Asterisk. CVSS score: 6.5/10. Published 2021-01-29.

How severe is CVE-2020-35652?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Digium Asterisk

CVE-2020-35652

An issue was discovered in res_pjsip_diversion.c in Sangoma Asterisk before 13.38.0, 14.x through 16.x before 16.15.0, 17.x before 17.9.0, and 18.x before 18.1.0. A crash can occur when a SIP message is received with a History-Info header that contains a tel-uri, or when a SIP 181 response is received that contains a tel-uri in the Diversion header.

EPSS: 0.019 (77.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Digium Asterisk
N/a — versions n/a

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Exploit, x_refsource_MISC, Vendor Advisory)
cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2020-35652?: CVE-2020-35652 is a medium-severity vulnerability in Digium Asterisk. CVSS score: 6.5/10. Published 2021-01-29.
How severe is CVE-2020-35652?: Medium severity. CVSS v3 base score is 6.5 out of 10.