CVEvulnerability
CVE-2020-5891
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-04-30
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
Description
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.
Affected configurations
• f5 big-ip access policy manager (>= 14.1.0 <= 14.1.2.3)
• f5 big-ip access policy manager (>= 15.0.0 <= 15.0.1.2)
• f5 big-ip access policy manager (>= 15.1.0 <= 15.1.0.1)
• f5 big-ip advanced firewall manager (>= 14.1.0 <= 14.1.2.3)
• f5 big-ip advanced firewall manager (>= 15.0.0 <= 15.0.1.2)
• f5 big-ip advanced firewall manager (>= 15.1.0 <= 15.1.0.1)
• f5 big-ip analytics (>= 14.1.0 <= 14.1.2.3)
• f5 big-ip analytics (>= 15.0.0 <= 15.0.1.2)
• f5 big-ip analytics (>= 15.1.0 <= 15.1.0.1)
• f5 big-ip application acceleration manager (>= 14.1.0 <= 14.1.2.3)
• f5 big-ip application acceleration manager (>= 15.0.0 <= 15.0.1.2)
• f5 big-ip application acceleration manager (>= 15.1.0 <= 15.1.0.1)
• f5 big-ip application security manager (>= 14.1.0 <= 14.1.2.3)
• f5 big-ip application security manager (>= 15.0.0 <= 15.0.1.2)
• f5 big-ip application security manager (>= 15.1.0 <= 15.1.0.1)
• f5 big-ip fraud protection service (>= 14.1.0 <= 14.1.2.3)
• f5 big-ip fraud protection service (>= 15.0.0 <= 15.0.1.2)
• f5 big-ip fraud protection service (>= 15.1.0 <= 15.1.0.1)
• f5 big-ip link controller (>= 14.1.0 <= 14.1.2.3)
• f5 big-ip link controller (>= 15.0.0 <= 15.0.1.2)
• f5 big-ip link controller (>= 15.1.0 <= 15.1.0.1)
• f5 big-ip local traffic manager (>= 14.1.0 <= 14.1.2.3)
• f5 big-ip local traffic manager (>= 15.0.0 <= 15.0.1.2)
• f5 big-ip local traffic manager (>= 15.1.0 <= 15.1.0.1)
• f5 big-ip policy enforcement manager (>= 14.1.0 <= 14.1.2.3)
• f5 big-ip policy enforcement manager (>= 15.0.0 <= 15.0.1.2)
• f5 big-ip policy enforcement manager (>= 15.1.0 <= 15.1.0.1)
References
- https://support.f5.com/csp/article/K58494243 Vendor Advisory
- https://support.f5.com/csp/article/K58494243 Vendor Advisory