F5: >> Big-Ip Carrier-Grade Nat >> 21.0.0 Security Vulnerabilities
A vulnerability exists in BIG-IP systems where a highly privileged, authenticated attacker with at least the Resource Administrator role can modify configuration objects resulting in privilege escalation. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS Score
8.5
EPSS Score
0.002
Published
2026-05-13
Sensitive information disclosure vulnerability exists in the undisclosed iControl REST endpoint and TMOS Shell (tmsh) command which may allow an authenticated attacker with resource administrator role privileges to view sensitive information. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS Score
6.9
EPSS Score
0.003
Published
2026-05-13
A vulnerability exists in an undisclosed BIG-IP TMOS Shell (tmsh) command that may allow an authenticated attacker with resource administrator or administrator role to execute arbitrary system commands with higher privileges. In Appliance mode deployments, a successful exploit can allow the attacker to cross a security boundary.
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS Score
8.3
EPSS Score
0.001
Published
2026-05-13
When BIG-IP PEM iRules are configured on a virtual server (iRules using commands starting with CLASSIFICATION::, CLASSIFY::, PEM::, PSC::, and the urlcatquery command), undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS Score
8.7
EPSS Score
0.003
Published
2026-05-13
A vulnerability exists in iControl REST where a highly privileged, authenticated attacker with at least the Manager role can create configuration objects that allow running arbitrary commands.
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS Score
8.6
EPSS Score
0.003
Published
2026-05-13
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