CyberSecBulletin

F5 vulnerabilities

We track 249 vulnerabilities in F5 products across 60+ products. 248 are rated high or critical, and 14 have been exploited in real attacks. The most recent was published on October 14, 2026.

249vulnerabilities
20critical
228high
14exploited
7.9average CVSS score

Latest F5 vulnerabilities

  • 7.5 High severity

    BIG-IP: Improper Resource Shutdown or Release

    CVE-2022-23010BIG-IP

    On BIG-IP versions 16.x before 16.1.0, 15.1.x before 15.1.4.1, 14.1.x before 14.1.4.4, and all versions of 13.1.x, 12.1.x, and 11.6.x, when a FastL4 profile and an HTTP profile are configured on a virtual server, undisclosed requests can cause an increase in m

  • 9.0 Critical severity

    Apache HTTP Server-Side Request Forgery (SSRF) Exploited

    CVE-2021-40438ApacheEPSS 100%

    A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier.

  • 9.8 Critical severity

    F5 BIG-IP Traffic Management Microkernel Buffer Overflow Exploited

    CVE-2021-22991BIG-IPEPSS 62.4%

    On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, and 12.1.x before 12.1.5.3, undisclosed requests to a virtual server may be incorrectly handled by the Traffic Management Microkernel (TMM) URI nor

  • 9.8 Critical severity

    F5 BIG-IP and BIG-IQ Centralized Management iControl REST Remote Code Execution Exploited

    CVE-2021-22986BIG-IP; BIG-IQEPSS 99.9%

    On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, and 12.1.x before 12.1.5.3 amd BIG-IQ 7.1.0.x before 7.1.0.3 and 7.0.0.x before 7.0.0.2, the iControl REST interface has an unauthenticated remote

  • 9.8 Critical severity

    F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution Exploited

    CVE-2020-5902BIG-IPEPSS 100%

    In BIG-IP versions 15.0.0-15.1.0.3, 14.1.0-14.1.2.5, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, the Traffic Management User Interface (TMUI), also referred to as the Configuration utility, has a Remote Code Execution (RCE) vulnerability in undisclo

  • 7.8 High severity

    Linux Kernel Integer Overflow Exploited

    CVE-2018-14634Linux FoundationEPSS 14.7%

    An integer overflow flaw was found in the Linux kernel's create_elf_tables() function. An unprivileged local user with access to SUID (or otherwise privileged) binary could use this flaw to escalate their privileges on the system. Kernel versions 2.6.x, 3.10.x

  • 9.8 Critical severity

    GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Exploited

    CVE-2014-7169GNUEPSS 99.9%

    GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed function definitions in the values of environment variables, which allows remote attackers to write to files or possibly have unknown other impact via a crafted environment, as

  • 9.8 Critical severity

    GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Exploited

    CVE-2014-6271GNUEPSS 100%

    GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables, which allows remote attackers to execute arbitrary code via a crafted environment, as demonstrated by vectors involving the ForceCommand feature

  • 6.9 Medium severity

    Linux Kernel Race Condition Exploited

    CVE-2014-0196LinuxEPSS 20.3%

    The n_tty_write function in drivers/tty/n_tty.c in the Linux kernel through 3.14.3 does not properly manage tty driver access in the "LECHO & !OPOST" case, which allows local users to cause a denial of service (memory corruption and system crash) or gain privi