High severity7.5NVD Advisory· Published Apr 30, 2020· Updated Jun 17, 2026
CVE-2020-5871
CVE-2020-5871
Description
On BIG-IP 14.1.0-14.1.2.3, undisclosed requests can lead to a denial of service (DoS) when sent to BIG-IP HTTP/2 virtual servers. The problem can occur when ciphers, which have been blacklisted by the HTTP/2 RFC, are used on backend servers. This is a data-plane issue. There is no control-plane exposure.
Affected products
2- F5/BIG-IPdescription
Patches
Vulnerability mechanics
References
1- support.f5.com/csp/article/K43450419nvdVendor Advisory
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