F5: >> Big-Ip Access Policy Manager >> 17.5.1 Security Vulnerabilities
When the database variable tm.tcpudptxchecksum is configured as non-default value Software-only on a BIG-IP system, 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
8.2
EPSS Score
0.001
Published
2025-10-15
When a BIG-IP APM OAuth access profile (Resource Server or Resource Client) is configured on a virtual server, undisclosed traffic can cause the apmd process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS Score
8.7
EPSS Score
0.001
Published
2025-10-15
A directory traversal vulnerability exists in TMUI that allows a highly privileged authenticated attacker to access files which are not limited to the intended files. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS Score
6.9
EPSS Score
0.003
Published
2025-10-15
When an iRule using an ILX::call command is configured on a virtual server, 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
0.001
Published
2025-10-15
CVE-2025-53521
When a BIG-IP APM access policy is configured on a virtual server, specific malicious traffic can lead to Remote Code Execution (RCE).
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Known exploited
CVSS Score
9.3
EPSS Score
0.075
Published
2025-10-15
When a virtual server, network address translation (NAT) object, or secure network address translation (SNAT) object uses the embedded Packet Velocity Acceleration (ePVA) feature, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. To determine which BIG-IP platforms have an ePVA chip refer to K12837: Overview of the ePVA feature https://my.f5.com/manage/s/article/K12837 . Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS Score
8.7
EPSS Score
0.0
Published
2025-10-15
When running in Appliance mode, a highly privileged authenticated attacker with access to SCP and SFTP may be able to bypass Appliance mode restrictions using undisclosed commands. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS Score
8.5
EPSS Score
0.0
Published
2025-10-15
An HTTP/2 implementation flaw allows a denial-of-service (DoS) that uses malformed HTTP/2 control frames in order to break the max concurrent streams limit (HTTP/2 MadeYouReset Attack).
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS Score
6.9
EPSS Score
0.001
Published
2025-08-13
A missing file integrity check vulnerability exists on MacOS F5 VPN browser client installer that may allow a local, authenticated attacker with access to the local file system to replace it with a malicious package installer.
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS Score
7.0
EPSS Score
0.0
Published
2025-08-13
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