CVE-2018-5517

moderate-risk
Published 2018-05-02

On F5 BIG-IP 13.1.0-13.1.0.5, malformed TCP packets sent to a self IP address or a FastL4 virtual server may cause an interruption of service. The control plane is not exposed to this issue. This issue impacts the data plane virtual servers and self IPs.

Do I need to act?

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0.75% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (13)

Affected Vendors

F5

References (4)

Third Party Advisory http://www.securitytracker.com/id/1040805
Vendor Advisory https://support.f5.com/csp/article/K25573437
Third Party Advisory http://www.securitytracker.com/id/1040805
Vendor Advisory https://support.f5.com/csp/article/K25573437
46
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 3/34 · Minimal
Exposure 17/34 · Moderate