Vulnerability · Published Apr 30, 2020 · Assigned by f5
CVE-2020-5871
High 7.5
In plain English
A high-severity security flaw in BIG-IP. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.0%top 35.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 (as reported)
References
- https://support.f5.com/csp/article/K43450419 x_refsource_MISC