CVE-2020-5891

moderate-risk
Published 2020-04-30

On BIG-IP 15.1.0-15.1.0.1, 15.0.0-15.0.1.2, and 14.1.0-14.1.2.3, undisclosed HTTP/2 requests can lead to a denial of service when sent to a virtual server configured with the Fallback Host setting and a server-side HTTP/2 profile.

Do I need to act?

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0.65% 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 (9)

Affected Vendors

F5

References (2)

Vendor Advisory https://support.f5.com/csp/article/K58494243
Vendor Advisory https://support.f5.com/csp/article/K58494243
43
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 15/34 · Moderate