VULNERABILITY INTELLIGENCE
CVE-2020-14305
CVSS score8.1 HIGH
EPSS probability5.15%
CISA KEVNot currently listed
Published2020-12-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
An out-of-bounds memory write flaw was found in how the Linux kernel’s Voice Over IP H.323 connection tracking functionality handled connections on ipv6 port 1720. This flaw allows an unauthenticated remote user to crash the system, causing a denial of service. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Weakness classification
- secalert@redhat.com: CWE-787
- nvd@nist.gov: CWE-787
Primary references
- secalert@redhat.com — Exploit, Third Party Advisory
- secalert@redhat.com — Issue Tracking, Patch, Third Party Advisory
- secalert@redhat.com
- secalert@redhat.com — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory