VULNERABILITY INTELLIGENCE
CVE-2020-27813
CVSS score7.5 HIGH
EPSS probability2.19%
CISA KEVNot currently listed
Published2020-12-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
An integer overflow vulnerability exists with the length of websocket frames received via a websocket connection. An attacker would use this flaw to cause a denial of service attack on an HTTP Server allowing websocket connections.
Weakness classification
- CWE-190: Integer Overflow or Wraparound
- CWE-400: Uncontrolled Resource Consumption
Primary references
- secalert@redhat.com — Issue Tracking, Third Party Advisory
- secalert@redhat.com — Third Party Advisory
- secalert@redhat.com — Mailing List, Third Party Advisory
- secalert@redhat.com
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108