All vulnerabilities

Servers and applications

CVE-2018-5509

On F5 BIG-IP versions 13.0.0 or 12.1.0 - 12.1.3.1, when a specifically configured virtual server receives traffic of an undisclosed nature, TMM will crash and take the configured failover action, potentially causing a denial of service. The configuration which exposes this issue is not common and in general does not work when enabled in previous versions of BIG-IP. Starting in 12.1.0, BIG-IP…

Severity
High 7.5
Published
22 Mar 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
12.1.3.2, 13.1.0.4
Exploit chance
2.8% in the next 30 daysHigher than 86% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_access_policy_manager
  • From 12.1.0 before 12.1.3.2
  • From 13.0.0 before 13.1.0.4
F5 BIG-IPServers and applications · cpe:a:f5:big-ip_local_traffic_manager
  • From 12.1.0 before 12.1.3.2
  • From 13.0.0 before 13.1.0.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-5509
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-5509