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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.019 (78.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: -0.001
Affected products
References
- issues.asterisk.org/jira/browse/ASTERISK-29219 (Vendor Advisory)
- issues.asterisk.org/jira/browse/ASTERISK-29191 (Exploit, Vendor Advisory)
- downloads.asterisk.org/pub/security/AST-2020-004.html (Vendor Advisory)
- downloads.asterisk.org/pub/security/AST-2020-003.html (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.