CVE-2018-5504

moderate-risk
Published 2018-03-22

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.

Do I need to act?

~
2.9% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.1/10 High
NETWORK / HIGH complexity

Affected Products (13)

Affected Vendors

F5

References (4)

Third Party Advisory http://www.securitytracker.com/id/1040558
Vendor Advisory https://support.f5.com/csp/article/K11718033
Third Party Advisory http://www.securitytracker.com/id/1040558
Vendor Advisory https://support.f5.com/csp/article/K11718033
47
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 6/34 · Minimal
Exposure 17/34 · Moderate