Vulnerability in F5 Big-Ip Access Policy Manager

CVE-2018-5504

In some circumstances, the Traffic Management Microkernel (TMM) does not properly handle certain malformed Websockets requests/responses, which allows remote attackers to cause a denial-of-service (DoS) or possible remote code execution on the F5 BIG-IP system running versions 13.0.0 - 13.1.0.3 or 12.1.0 - 12.1.3.1.

EPSS: 0.045 (90.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

References

  • f5sirt@f5.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
  • f5sirt@f5.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-5504?
CVE-2018-5504 is a high-severity vulnerability in F5 Big-Ip Access Policy Manager. CVSS score: 8.1/10. Published 2018-03-22.
How severe is CVE-2018-5504?
High severity. CVSS v3 base score is 8.1 out of 10.