CVE-2018-5514
On F5 BIG-IP 13.1.0-13.1.0.5, maliciously crafted HTTP/2 request frames can lead to denial of service.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
On F5 BIG-IP 13.1.0-13.1.0.5, maliciously crafted HTTP/2 request frames can lead to denial of service. There is data plane exposure for virtual servers when the HTTP2 profile is enabled. There is no control plane exposure to this issue.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 3.81% probability · 90th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- f5/big-ip local traffic manager · f5/big-ip application acceleration manager · f5/big-ip advanced firewall manager · f5/big-ip analytics · f5/big-ip access policy manager · f5/big-ip application security manager · f5/big-ip edge gateway · f5/big-ip global traffic manager · f5/big-ip link controller · f5/big-ip policy enforcement manager · f5/big-ip webaccelerator · f5/big-ip websafe · f5/big-ip domain name system
- Source
- f5sirt@f5.com
EPSS 3.8% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/104097Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040804Third Party Advisory, VDB Entry
- https://support.f5.com/csp/article/K45320419Vendor Advisory
- http://www.securityfocus.com/bid/104097Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040804Third Party Advisory, VDB Entry
- https://support.f5.com/csp/article/K45320419Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.