F5 Big-Ip Ddos Hybrid Defender vulnerabilities

CVE-2026-42409 [HIGH] CWE-476 CVE-2026-42409: When an HTTP/2 profile and an iRule containing the HTTP::redirect or HTTP::respond command are confi When an HTTP/2 profile and an iRule containing the HTTP::redirect or HTTP::respond command are 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.

CVE-2023-42768 [HIGH] CWE-613 CVE-2023-42768: When a non-admin user has been assigned an administrator role via an iControl REST PUT request and When a non-admin user has been assigned an administrator role via an iControl REST PUT request and later the user's role is reverted back to a non-admin role via the Configuration utility, tmsh, or iControl REST. BIG-IP non-admin user can still have access to iControl REST admin resource. Note: Software versions which have reached End of Technical Suppo

CVE-2023-40537 [HIGH] CWE-613 CVE-2023-40537: An authenticated user's session cookie may remain valid for a limited time after logging out from t An authenticated user's session cookie may remain valid for a limited time after logging out from the BIG-IP Configuration utility on a multi-blade VIPRION platform. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVE-2026-41217 [HIGH] CWE-732 CVE-2026-41217: A vulnerability exists in an undisclosed BIG-IP TMOS Shell (tmsh) command that may allow an authenti 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 versio

CVE-2021-23042 [HIGH] CWE-400 CVE-2021-23042: On BIG-IP version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.4, 13.1.x before On BIG-IP version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.4, 13.1.x before 13.1.4, and 12.1.x before 12.1.6, when an HTTP profile is configured on a virtual server, undisclosed requests can cause a significant increase in system resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are

CVE-2025-48008 [HIGH] CWE-416 CVE-2025-48008: When a TCP profile with Multipath TCP (MPTCP) enabled is configured on a virtual server, undisclosed 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) are not evaluated.

CVE-2025-46706 [HIGH] CWE-770 CVE-2025-46706: When an iRule containing the HTTP::respond command is configured on a virtual server, undisclosed re When an iRule containing the HTTP::respond command is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVE-2025-52585 [HIGH] CWE-476 CVE-2025-52585: When a BIG-IP LTM Client SSL profile is configured on a virtual server with SSL Forward Proxy enable When a BIG-IP LTM Client SSL profile is configured on a virtual server with SSL Forward Proxy enabled and Anonymous Diffie-Hellman (ADH) ciphers enabled, 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.

CVE-2026-40629 [HIGH] CWE-770 CVE-2026-40629: When SSL profiles are configured on a virtual server, undisclosed traffic can cause the virtual serv When SSL profiles are configured on a virtual server, undisclosed traffic can cause the virtual server to stop processing new client connections. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVE-2026-40618 [HIGH] CWE-131 CVE-2026-40618: When an SSL profile is configured on a virtual server on BIG-IP Virtual Edition (VE) without Intel Q When an SSL profile is configured on a virtual server on BIG-IP Virtual Edition (VE) without Intel QuickAssist Technology (QAT) or on BIG-IP hardware platforms with the database variable crypto.hwacceleration set to disabled, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reache

CVE-2026-40423 [HIGH] CWE-770 CVE-2026-40423: When a SIP profile is configured on a virtual server, undisclosed traffic can cause the Traffic Mana When a SIP profile 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.

CVE-2026-42920 [HIGH] CWE-835 CVE-2026-42920: When a Client SSL profile is configured with Allow Dynamic Record Sizing on a UDP virtual server, un When a Client SSL profile is configured with Allow Dynamic Record Sizing on a UDP 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.

CVE-2025-61951 [HIGH] CWE-125 CVE-2025-61951: Undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. This issue may Undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. This issue may occur when a Datagram Transport Layer Security (DTLS) 1.2 virtual server is enabled with a Server SSL profile that is configured with a certificate, key, and the SSL Sign Hash set to ANY, and the backend server is enabled with DTLS 1.2 and client authent

CVE-2020-5922 [HIGH] CWE-352 CVE-2020-5922: In BIG-IP versions 15.0.0-15.1.0.4, 14.1.0-14.1.2.6, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11 In BIG-IP versions 15.0.0-15.1.0.4, 14.1.0-14.1.2.6, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.2, iControl REST does not implement Cross Site Request Forgery protections for users which make use of Basic Authentication in a web browser.

CVE-2021-23003 [HIGH] CVE-2021-23003: On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x befo On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.6, 12.1.x before 12.1.5.3, and 11.6.x before 11.6.5.3, the Traffic Management Microkernel (TMM) process may produce a core file when undisclosed MPTCP traffic passes through a standard virtual server. Note: Software versions which have reached End of

CVE-2023-40534 [HIGH] CWE-401 CVE-2023-40534: When a client-side HTTP/2 profile and the HTTP MRF Router option are enabled for a virtual server, a When a client-side HTTP/2 profile and the HTTP MRF Router option are enabled for a virtual server, and an iRule using the HTTP_REQUEST event or Local Traffic Policy are associated with the virtual server, undisclosed requests can cause TMM to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVE-2023-22422 [HIGH] CWE-120 CVE-2023-22422: On BIG-IP versions 17.0.x before 17.0.0.2 and 16.1.x before 16.1.3.3, when a HTTP profile with the n On BIG-IP versions 17.0.x before 17.0.0.2 and 16.1.x before 16.1.3.3, when a HTTP profile with the non-default Enforcement options of Enforce HTTP Compliance and Unknown Methods: Reject are configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached En

CVE-2021-23015 [HIGH] CWE-863 CVE-2021-23015: On BIG-IP 15.1.x before 15.1.3, 14.1.x before 14.1.4.2, 13.1.0.8 through 13.1.3.6, and all versions On BIG-IP 15.1.x before 15.1.3, 14.1.x before 14.1.4.2, 13.1.0.8 through 13.1.3.6, and all versions of 16.0.x, when running in Appliance Mode, an authenticated user assigned the 'Administrator' role may be able to bypass Appliance Mode restrictions utilizing undisclosed iControl REST endpoints. Note: Software versions which have reached End of Technica

CVE-2024-41164 [HIGH] CWE-476 CVE-2024-41164: When TCP profile with Multipath TCP enabled (MPTCP) is configured on a Virtual Server, undisclosed t When TCP profile with Multipath TCP enabled (MPTCP) is configured on a Virtual Server, undisclosed traffic along with conditions beyond the attackers control can cause TMM to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVE-2025-53474 [HIGH] CWE-120 CVE-2025-53474: When an iRule using an ILX::call command is configured on a virtual server, undisclosed traffic can 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.