CVE-2020-5891

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

On BIG-IP 15.1.0-15.1.0.1, 15.0.0-15.0.1.2, and 14.1.0-14.1.2.3, undisclosed HTTP/2 requests can lead to a denial of service when sent to a virtual server configured with the Fallback Host setting and a server-side HTTP/2 profile.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected software

No affected versions have been published.

Timeline

Published
Apr 30, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-58926.7In versions 7.1.5-7.1.8, the BIG-IP Edge Client components in BIG-IP APM, Edge Gateway, and FirePass legacy allow attackers to obtain the fuCVE-2020-58933.7In versions 7.1.5-7.1.8, when a user connects to a VPN using BIG-IP Edge Client over an unsecure network, BIG-IP Edge Client responds to autCVE-2020-58948.1On versions 3.0.0-3.3.0, the NGINX Controller webserver does not invalidate the server-side session token after users log out.CVE-2020-58957.8On NGINX Controller versions 3.1.0-3.3.0, AVRD uses world-readable and world-writable permissions on its socket, which allows processes or uCVE-2020-58967.8On versions 7.1.5-7.1.9, the BIG-IP Edge Client's Windows Installer Service's temporary folder has weak file and folder permissions.CVE-2020-58978.8In versions 7.1.5-7.1.9, there is use-after-free memory vulnerability in the BIG-IP Edge Client Windows ActiveX component.CVE-2020-58985.5In versions 7.1.5-7.1.9, BIG-IP Edge Client Windows Stonewall driver does not sanitize the pointer received from the userland. A local user CVE-2020-58997.8In NGINX Controller 3.0.0-3.4.0, recovery code required to change a user's password is transmitted and stored in the database in plain text,CVE-2020-59008.8In versions 3.0.0-3.4.0, 2.0.0-2.9.0, and 1.0.1, there is insufficient cross-site request forgery (CSRF) protections for the NGINX ControlleCVE-2020-59019.6In NGINX Controller 3.3.0-3.4.0, undisclosed API endpoints may allow for a reflected Cross Site Scripting (XSS) attack. If the victim user iCVE-2020-59029.8In BIG-IP versions 15.0.0-15.1.0.3, 14.1.0-14.1.2.5, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, the Traffic Management User InteCVE-2020-59036.1In BIG-IP versions 15.0.0-15.1.0.3, 14.1.0-14.1.2.5, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, a Cross-Site Scripting (XSS) vulnerability exists in
CVE-2020-5891: High severity, CVSS 7.5 | Vulnix