What is CVE-2019-18790?

CVE-2019-18790 is a medium-severity vulnerability in Digium Asterisk, classified under Missing Authorization. CVSS score: 6.5/10. Published 2019-11-22.

How severe is CVE-2019-18790?

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

Auth bypass in Digium Asterisk

CVE-2019-18790

An issue was discovered in channels/chan_sip.c in Sangoma Asterisk 13.x before 13.29.2, 16.x before 16.6.2, and 17.x before 17.0.1, and Certified Asterisk 13.21 before cert5. A SIP request can be sent to Asterisk that can change a SIP peer…

Vulnerability class: Broken Access Control

EPSS: 0.020 (79.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Digium Asterisk
Digium Certified_asterisk — versions 13.21.0
Debian Debian_linux — versions 8.0, 9.0
N/a — versions n/a

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)
cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2019-18790?: CVE-2019-18790 is a medium-severity vulnerability in Digium Asterisk, classified under Missing Authorization. CVSS score: 6.5/10. Published 2019-11-22.
How severe is CVE-2019-18790?: Medium severity. CVSS v3 base score is 6.5 out of 10.