F5 Big-Ip Websafe vulnerabilities

CVE-2026-39458 [HIGH] CWE-824 CVE-2026-39458: When a BIG-IP DNS profile enabled with DNS cache is configured on a virtual server, undisclosed traf When a BIG-IP DNS profile enabled with DNS cache 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-2018-5527 [HIGH] CWE-772 CVE-2018-5527: On BIG-IP 13.1.0-13.1.0.7, a remote attacker using undisclosed methods against virtual servers confi On BIG-IP 13.1.0-13.1.0.7, a remote attacker using undisclosed methods against virtual servers configured with a Client SSL or Server SSL profile that has the SSL Forward Proxy feature enabled can force the Traffic Management Microkernel (tmm) to leak memory. As a result, system memory usage increases over time, which may eventually cause a decrease in

CVE-2018-5502 [HIGH] CWE-295 CVE-2018-5502: On F5 BIG-IP versions 13.0.0 - 13.1.0.3, attackers may be able to disrupt services on the BIG-IP sys On F5 BIG-IP versions 13.0.0 - 13.1.0.3, attackers may be able to disrupt services on the BIG-IP system with maliciously crafted client certificate. This vulnerability affects virtual servers associated with Client SSL profile which enables the use of client certificate authentication. Client certificate authentication is not enabled by default in Clien

CVE-2017-6167 [HIGH] CWE-362 CVE-2017-6167: In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Link Controller, PEM and WebSafe software vers In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Link Controller, PEM and WebSafe software version 13.0.0 and 12.1.0 - 12.1.2, race conditions in iControl REST may lead to commands being executed with different privilege levels than expected.

CVE-2023-40542 [HIGH] CWE-770 CVE-2023-40542: When TCP Verified Accept is enabled on a TCP profile that is configured on a Virtual Server, undiscl When TCP Verified Accept is enabled on a TCP profile that 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-2025-21087 [HIGH] CWE-400 CVE-2025-21087: When Client or Server SSL profiles are configured on a Virtual Server, or DNSSEC signing operations When Client or Server SSL profiles are configured on a Virtual Server, or DNSSEC signing operations are in use, undisclosed traffic can cause an increase in memory and CPU resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

CVE-2025-41433 [HIGH] CWE-476 CVE-2025-41433: When a Session Initiation Protocol (SIP) message routing framework (MRF) application layer gateway ( When a Session Initiation Protocol (SIP) message routing framework (MRF) application layer gateway (ALG) profile is configured on a Message Routing 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-2025-41399 [HIGH] CWE-404 CVE-2025-41399: When a Stream Control Transmission Protocol (SCTP) profile is configured on a virtual server, undisc When a Stream Control Transmission Protocol (SCTP) profile 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-2025-61990 [HIGH] CWE-415 CVE-2025-61990: When using a multi-bladed platform with more than one blade, undisclosed traffic can cause the Traff When using a multi-bladed platform with more than one blade, 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-2026-24464 [MEDIUM] CWE-35 CVE-2026-24464: When running in Appliance mode, a directory traversal vulnerability exists in an undisclosed iContro When running in Appliance mode, a directory traversal vulnerability exists in an undisclosed iControl REST endpoint that may allow an authenticated attacker with administrator role privileges to cross a security boundary and delete files. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVE-2018-5514 [HIGH] CWE-20 CVE-2018-5514: On F5 BIG-IP 13.1.0-13.1.0.5, maliciously crafted HTTP/2 request frames can lead to denial of servic On F5 BIG-IP 13.1.0-13.1.0.5, maliciously crafted HTTP/2 request frames can lead to denial of service. There is data plane exposure for virtual servers when the HTTP2 profile is enabled. There is no control plane exposure to this issue.

CVE-2017-0303 [HIGH] CWE-459 CVE-2017-0303: In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, GTM, Link Controller, PEM and Websafe software In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, GTM, Link Controller, PEM and Websafe software version 13.0.0, 12.0.0 to 12.1.2 and 11.5.1 to 11.6.1, under limited circumstances connections handled by a Virtual Server with an associated SOCKS profile may not be properly cleaned up, potentially leading to resource starvation. Connections may be lef

CVE-2018-5513 [HIGH] CWE-20 CVE-2018-5513: On F5 BIG-IP 13.1.0-13.1.0.3, 13.0.0, 12.1.0-12.1.3.3, 11.6.1-11.6.3.1, 11.5.1-11.5.5, or 11.2.1, a On F5 BIG-IP 13.1.0-13.1.0.3, 13.0.0, 12.1.0-12.1.3.3, 11.6.1-11.6.3.1, 11.5.1-11.5.5, or 11.2.1, a malformed TLS handshake causes TMM to crash leading to a disruption of service. This issue is only exposed on the data plane when Proxy SSL configuration is enabled. The control plane is not impacted by this issue.

CVE-2017-6150 [HIGH] CWE-20 CVE-2017-6150: Under certain conditions for F5 BIG-IP systems 13.0.0 or 12.1.0 - 12.1.3.1, using FastL4 profiles, w Under certain conditions for F5 BIG-IP systems 13.0.0 or 12.1.0 - 12.1.3.1, using FastL4 profiles, when the Reassemble IP Fragments option is disabled (default), some specific large fragmented packets may restart the Traffic Management Microkernel (TMM).

CVE-2016-9256 [HIGH] CWE-362 CVE-2016-9256: In F5 BIG-IP 12.1.0 through 12.1.2, permissions enforced by iControl can lag behind the actual permi In F5 BIG-IP 12.1.0 through 12.1.2, permissions enforced by iControl can lag behind the actual permissions assigned to a user if the role_map is not reloaded between the time the permissions are changed and the time of the user's next request. This is a race condition that occurs rarely in normal usage; the typical period in which this is possible is li

CVE-2023-43611 [HIGH] CVE-2023-43611: The BIG-IP Edge Client Installer on macOS does not follow best practices for elevating privileges d The BIG-IP Edge Client Installer on macOS does not follow best practices for elevating privileges during the installation process. This vulnerability is due to an incomplete fix for CVE-2023-38418. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

CVE-2023-41085 [HIGH] CWE-755 CVE-2023-41085: When IPSec is configured on a Virtual Server, undisclosed traffic can cause TMM to terminate. Not When IPSec 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.

CVE-2025-20058 [HIGH] CWE-400 CVE-2025-20058: When a BIG-IP message routing profile is configured on a virtual server, undisclosed traffic can cau When a BIG-IP message routing profile is configured on a virtual server, undisclosed traffic can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

CVE-2025-59483 [MEDIUM] CWE-73 CVE-2025-59483: A validation vulnerability exists in an undisclosed URL in the Configuration utility. Note: Softwar A validation vulnerability exists in an undisclosed URL in the Configuration utility. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVE-2026-40699 [MEDIUM] CWE-643 CVE-2026-40699: A vulnerability exists in the undisclosed pages in the Configuration utility that may allow a low-pr A vulnerability exists in the undisclosed pages in the Configuration utility that may allow a low-privileged authenticated attacker to access to undisclosed sensitive information. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.