The importance of hardening customer support tools against cyberattacks

The Deputy CISO blog series is whereMicrosoft Deputy Chief Information Security Officers CISOs share their thoughts on what is most important in their respective domains. In this series, you will get practical advice, tactics to start and stop deploying, forward-looking commentary on where the...

The importance of hardening customer support tools against cyberattacks

The Deputy CISO blog series is whereMicrosoft Deputy Chief Information Security Officers CISOs share their thoughts on what is most important in their respective domains. In this series, you will get practical advice, tactics to start and stop deploying, forward-looking commentary on where the...

EUVD-2025-34644

On BIG-IP systems, undisclosed traffic can cause data corruption and unauthorized data modification in protocols which do not have message integrity protection. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

EUVD-2025-34651

Under undisclosed traffic conditions along with conditions beyond the attacker's control, hardware systems with a High-Speed Bridge HSB may experience a lockup of the HSB. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

EUVD-2025-34653

When a BIG-IP AFM denial-of-service DoS protection profile is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel TMM process to terminate. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

EUVD-2025-34629

A vulnerability exists in the iHealth command that may allow an authenticated attacker with at least a resource administrator role to bypass tmsh restrictions and gain access to a bash shell. For BIG-IP systems running in Appliance mode, a successful exploit can allow the attacker to cross a...

EUVD-2025-34631

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...

EUVD-2025-34634

When HTTP/2 Ingress is configured, 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...

EUVD-2025-34630

When a BIG-IP APM Access Policy is configured on a virtual server, undisclosed traffic can cause TMM to terminate. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

EUVD-2025-34633

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...

EUVD-2025-34639

When the Allowed IP Addresses feature is configured on the F5OS-C partition control plane, undisclosed traffic can cause multiple containers to terminate. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

EUVD-2025-34638

When a classification profile is configured on a virtual server without an HTTP or HTTP/2 profile, undisclosed requests can cause the Traffic Management Microkernel TMM to terminate. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

EUVD-2025-34637

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...

EUVD-2025-34641

On BIG-IP Next CNF, BIG-IP Next SPK, and BIG-IP Next for Kubernetes systems, repeated undisclosed API calls can cause the Traffic Management Microkernel TMM to terminate. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

EUVD-2025-34647

When SNMP is configured on F5OS Appliance and Chassis systems, undisclosed requests can cause an increase in SNMP memory resource utilization. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

EUVD-2025-34645

When BIG-IP SSL Orchestrator explicit forward proxy is configured on a virtual server and the proxy connect feature is enabled, undisclosed traffic may cause memory corruption. Note: Software versions which have reached End of Technical Support EoTS are not evaluated...

EUVD-2025-34650

When a TCP profile with Multipath TCP MPTCP enabled is configured on a virtual server, undisclosed traffic along with conditions beyond the attacker's control can cause the Traffic Management Microkernel TMM to terminate. Note: Software versions which have reached End of Technical Support EoTS ar...

EUVD-2025-34654

When BIG-IP Advanced WAF is configured on a virtual server with Server-Side Request Forgery SSRF protection or when an NGINX server is configured with App Protect Bot Defense, undisclosed requests can disrupt new client requests. Note: Software versions which have reached End of Technical Support...

EUVD-2025-34658

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...

EUVD-2025-34640

When an iRule is configured on a virtual server via the declarative API, upon re-instantiation, the cleanup process can cause an increase in the Traffic Management Microkernel TMM memory resource utilization. Note: Software versions which have reached End of Technical Support EoTS are not...