F5 BIG-IP Fraud Protection Service vulnerabilities

405 CVEs affecting F5 BIG-IP Fraud Protection Service, 6 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-63020, published 2026-09-02.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2020-5902: F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution Vulnerability, published 2020-07-01. Critical severity, CVSS 9.8. Actively exploited: in CISA KEV since 2021-11-03. EPSS: 100% chance of exploitation in the next 30 days. 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…
CVE-2023-44487: HTTP/2 Rapid Reset Attack Vulnerability, published 2023-10-10. High severity, CVSS 7.5. Actively exploited: in CISA KEV since 2023-10-10. EPSS: 100% chance of exploitation in the next 30 days. The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
CVE-2022-1388: F5 BIG-IP Missing Authentication Vulnerability, published 2022-05-05. Critical severity, CVSS 9.8. Actively exploited: in CISA KEV since 2022-05-10. EPSS: 100% chance of exploitation in the next 30 days. On F5 BIG-IP 16.1.x versions prior to 16.1.2.2, 15.1.x versions prior to 15.1.5.1, 14.1.x versions prior to 14.1.4.6, 13.1.x versions prior to 13.1.5, and all 12.1.x and 11.6.x versions, undisclosed…
CVE-2021-22986: F5 BIG-IP and BIG-IQ Centralized Management iControl REST Remote Code Execution Vulnerability, published 2021-03-31. Critical severity, CVSS 9.8. Actively exploited: in CISA KEV since 2021-11-03. EPSS: 99.9% chance of exploitation in the next 30 days. 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…
CVE-2021-22991: F5 BIG-IP Traffic Management Microkernel Buffer Overflow, published 2021-03-31. Critical severity, CVSS 9.8. Actively exploited: in CISA KEV since 2022-01-18. EPSS: 61.1% chance of exploitation in the next 30 days. 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…
CVE-2018-14634: Linux Kernel Integer Overflow Vulnerability, published 2018-09-25. High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2026-01-26. EPSS: 14.7% chance of exploitation in the next 30 days. 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…
CVE-2019-11477, published 2019-06-19. High severity, CVSS 7.5. EPSS: 98.7% chance of exploitation in the next 30 days. Jonathan Looney discovered that the TCP_SKB_CB(skb)->tcp_gso_segs value was subject to an integer overflow in the Linux kernel when handling TCP Selective Acknowledgments (SACKs). A remote attacker…
CVE-2019-11478, published 2019-06-19. High severity, CVSS 7.5. EPSS: 94.7% chance of exploitation in the next 30 days. Jonathan Looney discovered that the TCP retransmission queue implementation in tcp_fragment in the Linux kernel could be fragmented when handling certain TCP Selective Acknowledgment (SACK)…
CVE-2022-41622, published 2022-12-07. High severity, CVSS 8.8. EPSS: 92.4% chance of exploitation in the next 30 days. In all versions, BIG-IP and BIG-IQ are vulnerable to cross-site request forgery (CSRF) attacks through iControl SOAP. Note: Software versions which have reached End of Technical Support (EoTS)…
CVE-2019-11479, published 2019-06-19. High severity, CVSS 7.5. EPSS: 91.7% chance of exploitation in the next 30 days. Jonathan Looney discovered that the Linux kernel default MSS is hard-coded to 48 bytes. This allows a remote peer to fragment TCP resend queues significantly more than if a larger MSS were enforced.…

Latest

CVE-2026-63020, published 2026-09-02. Low severity, CVSS 3.1. EPSS: 0.2% chance of exploitation in the next 30 days. A vulnerability exists in an undisclosed BIG-IP Configuration utility page that may allow an attacker to spoof error messages Impact: An attacker may trick authenticated BIG-IP users into…
CVE-2026-42937, published 2026-05-13. Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days. Incorrect permission assignment vulnerabilities exist in BIG-IP and BIG-IQ TMOS Shell (tmsh) arp and ndp commands, and in BIG-IP iControl REST. These vulnerabilities may allow an authenticated…
CVE-2026-42930, published 2026-05-13. High severity, CVSS 8.7. EPSS: 0.6% chance of exploitation in the next 30 days. When running in Appliance mode, an authenticated attacker assigned the 'Administrator' role may be able to bypass Appliance mode restrictions on a BIG-IP system. Note: Software versions which have…
CVE-2026-42924, published 2026-05-13. High severity, CVSS 8.7. EPSS: 0.4% chance of exploitation in the next 30 days. An authenticated attacker with the Resource Administrator or Administrator role can create SNMP configuration objects through iControl SOAP resulting in privilege escalation. Note: Software versions…
CVE-2026-42920, published 2026-05-13. High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days. 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…
CVE-2026-42919, published 2026-05-13. Medium severity, CVSS 6.7. EPSS: 0.4% chance of exploitation in the next 30 days. A vulnerability exists in BIG-IP systems that may allow an authenticated attacker with administrative access to escalate their privileges. A successful exploit may allow the attacker to cross a…
CVE-2026-42781, published 2026-05-13. Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days. When embedded Packet Velocity Acceleration (ePVA) acceleration is configured, undisclosed local ethernet traffic can cause an increase in ePVA and Traffic Management Microkernel (TMM) resource…
CVE-2026-42409, published 2026-05-13. High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days. 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)…
CVE-2026-42408, published 2026-05-13. Medium severity, CVSS 4.4. EPSS: 0.1% chance of exploitation in the next 30 days. When BIG-IP DNS is provisioned, a vulnerability exists in an undisclosed TMOS Shell (tmsh) command that may allow a highly privileged authenticated attacker to view sensitive information. Note:…
CVE-2026-42406, published 2026-05-13. High severity, CVSS 8.7. EPSS: 0.3% chance of exploitation in the next 30 days. A vulnerability exists in BIG-IP and BIG-IQ systems where a highly privileged, authenticated attacker with at least the Certificate Manager role can modify configuration objects that allow running…