Priority MEDIUM 43
On an HTTP/2 virtual server with Layer 7 DoS Protection configured, undisclosed traffic can result in an increase in memory consumption causing the Traffic Management Microkernel (TMM) process to terminate.
CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.00263 · Published 2026-05-13 · Fixed in 21.0.0, 17.5.1.4 +1 CWE-770
Priority MEDIUM 43
When a classification profile is configured on a UDP virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate.
CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.00263 · Published 2026-05-13 · Fixed in 21.0.0, 17.5.1.4 +4 CWE-121
Priority MEDIUM 44
When SSL profiles are configured on a virtual server, undisclosed traffic can cause the virtual server to stop processing new client connections.
CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.00324 · Published 2026-05-13 · Fixed in 21.0.0, 17.5.1.4 +5 CWE-770
Priority MEDIUM 40
An authenticated remote code execution vulnerability through undisclosed vectors exists in the BIG-IP and BIG-IQ Configuration utility.
CVSS 4.0HIGH 8.7· Network · Low privileges · No interaction · EPSS 0.00514 · Published 2026-05-13 · Fixed in 21.0.0, 17.5.1.4 +2 CWE-502
Priority LOW 28
When BIG-IP DNS is provisioned, a vulnerability exists in an undisclosed TMOS Shell (tmsh) command that may allow a highly privileged authenticated attacker to view sensitive information.
CVSS 4.0MEDIUM 6.7· Local · High privileges · No interaction · EPSS 0.00083 · Published 2026-05-13 · Fixed in 21.0.0, 17.5.1.4 +1 CWE-312
Priority LOW 31
An improper sanitization vulnerability exists in the BIG-IP QKView utility that allows a low-privileged attacker to read sensitive information from a QKView file.
CVSS 4.0HIGH 7.1· Network · Low privileges · No interaction · EPSS 0.00277 · Published 2026-05-13 · Fixed in 21.0.0, 17.5.1.4 +2 CWE-532
Priority LOW 28
When BIG-IP DNS is provisioned, a vulnerability exists in the gtm_add and bigip_add iControl REST commands that return the ssh-password parameter in cleartext in the iControl REST response and is also logged in the audit…
CVSS 4.0MEDIUM 6.7· Local · High privileges · No interaction · EPSS 0.00083 · Published 2026-05-13 · Fixed in 21.0.0, 17.5.1.4 +1 CWE-312
Priority LOW 36
When configured, IP-based access restrictions for httpd do not cover all endpoints, which may allow connections from blocked addresses.
CVSS 4.0MEDIUM 6.9· Network · No auth · No interaction · EPSS 0.00228 · Published 2026-05-13 · Fixed in 21.0.0, 17.5.1.4 +1 CWE-420
Priority LOW 23
A cross-site request forgery (CSRF) vulnerability exists in the dashboard of the BIG-IP Configuration utility.
CVSS 4.0MEDIUM 5.3· Network · No auth · User interaction · EPSS 0.00104 · Published 2026-05-13 · Fixed in 21.0.0, 17.5.1.4 +1 CWE-352