F5 Big-Ip Link Controller vulnerabilities

CVE-2018-5523 [HIGH] CVE-2018-5523: On F5 BIG-IP 13.1.0-13.1.0.3, 13.0.0, 12.1.0-12.1.3.1, 11.6.1-11.6.3.1, 11.5.1-11.5.5, or 11.2.1 and On F5 BIG-IP 13.1.0-13.1.0.3, 13.0.0, 12.1.0-12.1.3.1, 11.6.1-11.6.3.1, 11.5.1-11.5.5, or 11.2.1 and Enterprise Manager 3.1.1, when authenticated administrative users run commands in the Traffic Management User Interface (TMUI), also referred to as the BIG-IP Configuration utility, restrictions on allowed commands may not be enforced.

CVE-2020-5858 [HIGH] CVE-2020-5858: On BIG-IP 15.0.0-15.0.1.2, 14.1.0-14.1.2.2, 13.1.0-13.1.3.2, 12.1.0-12.1.5, and 11.5.2-11.6.5.1 and On BIG-IP 15.0.0-15.0.1.2, 14.1.0-14.1.2.2, 13.1.0-13.1.3.2, 12.1.0-12.1.5, and 11.5.2-11.6.5.1 and BIG-IQ 7.0.0, 6.0.0-6.1.0, and 5.2.0-5.4.0, users with non-administrator roles (for example, Guest or Resource Administrator) with tmsh shell access can execute arbitrary commands with elevated privilege via a crafted tmsh command.

CVE-2019-1559 [MEDIUM] CWE-203 CVE-2019-1559: If an application encounters a fatal protocol error and then calls SSL_shutdown() twice (once to sen If an application encounters a fatal protocol error and then calls SSL_shutdown() twice (once to send a close_notify, and once to receive one) then OpenSSL can respond differently to the calling application if a 0 byte record is received with invalid padding compared to if a 0 byte record is received with an invalid MAC. If the application then behave

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-2019-6622 [HIGH] CWE-77 CVE-2019-6622: On BIG-IP 14.1.0-14.1.0.5, 14.0.0-14.0.0.5, 13.0.0-13.1.1.4, 12.1.0-12.1.4.1, and 11.5.1-11.6.4, an On BIG-IP 14.1.0-14.1.0.5, 14.0.0-14.0.0.5, 13.0.0-13.1.1.4, 12.1.0-12.1.4.1, and 11.5.1-11.6.4, an undisclosed iControl REST worker is vulnerable to command injection by an administrator or resource administrator user. This attack is only exploitable on multi-bladed systems.

CVE-2016-9250 [HIGH] CWE-264 CVE-2016-9250: In F5 BIG-IP 11.2.1, 11.4.0 through 11.6.1, and 12.0.0 through 12.1.2, an unauthenticated user with In F5 BIG-IP 11.2.1, 11.4.0 through 11.6.1, and 12.0.0 through 12.1.2, an unauthenticated user with access to the control plane may be able to delete arbitrary files through an undisclosed mechanism.

CVE-2020-5907 [HIGH] CVE-2020-5907: In BIG-IP versions 15.0.0-15.1.0.3, 14.1.0-14.1.2.3, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11 In BIG-IP versions 15.0.0-15.1.0.3, 14.1.0-14.1.2.3, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, an authorized user provided with access only to the TMOS Shell (tmsh) may be able to conduct arbitrary file read/writes via the built-in sftp functionality.

CVE-2023-22323 [HIGH] CWE-770 CVE-2023-22323: In BIP-IP versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.8.1, 14.1.x be In BIP-IP versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.8.1, 14.1.x before 14.1.5.3, and all versions of 13.1.x, when OCSP authentication profile is configured on a virtual server, undisclosed requests can cause an increase in CPU resource utilization. Note: Software versions which have reached End of Technical Support (E

CVE-2020-5873 [HIGH] CWE-78 CVE-2020-5873: On BIG-IP 15.0.0-15.0.1, 14.1.0-14.1.2.3, 13.1.0-13.1.3.1, 12.1.0-12.1.5, and 11.6.1-11.6.5 and BIG- On BIG-IP 15.0.0-15.0.1, 14.1.0-14.1.2.3, 13.1.0-13.1.3.1, 12.1.0-12.1.5, and 11.6.1-11.6.5 and BIG-IQ 5.2.0-7.1.0, a user associated with the Resource Administrator role who has access to the secure copy (scp) utility but does not have access to Advanced Shell (bash) can execute arbitrary commands using a maliciously crafted scp request.

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-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.

CVE-2025-58096 [HIGH] CWE-787 CVE-2025-58096: When the database variable tm.tcpudptxchecksum is configured as non-default value Software-only on a 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.

CVE-2026-41956 [HIGH] CWE-121 CVE-2026-41956: When a classification profile is configured on a UDP virtual server, undisclosed requests can cause When a classification profile is configured on a UDP virtual server, 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-2026-42409 [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-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-2022-35735 [HIGH] CWE-74 CVE-2022-35735: In BIG-IP Versions 16.1.x before 16.1.3.1, 15.1.x before 15.1.6.1, 14.1.x before 14.1.5.1, and all v In BIG-IP Versions 16.1.x before 16.1.3.1, 15.1.x before 15.1.6.1, 14.1.x before 14.1.5.1, and all versions of 13.1.x, an authenticated attacker with Resource Administrator or Manager privileges can create or modify existing monitor objects in the Configuration utility in an undisclosed manner leading to a privilege escalation. Note: Software versions

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-2021-23043 [MEDIUM] CWE-22 CVE-2021-23043: On BIG-IP, on all versions of 16.1.x, 16.0.x, 15.1.x, 14.1.x, 13.1.x, 12.1.x, and 11.6.x, a director On BIG-IP, on all versions of 16.1.x, 16.0.x, 15.1.x, 14.1.x, 13.1.x, 12.1.x, and 11.6.x, a directory traversal vulnerability exists in an undisclosed page of the BIG-IP Configuration utility that allows an attacker to access arbitrary files. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVE-2021-23038 [CRITICAL] CWE-79 CVE-2021-23038: On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.2, 13.1.x before 13. On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.2, 13.1.x before 13.1.4.1, and all versions of 12.1.x, a stored cross-site scripting (XSS) vulnerability exists in an undisclosed page of the BIG-IP Configuration utility that allows an attacker to execute JavaScript in the context of the currently logged-in user. Note:

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.