CVE-2018-5514 json
On F5 BIG-IP 13.1.0-13.1.0.5, maliciously crafted HTTP/2 request frames can lead to denial of service.
published 2018-05-02 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-17283
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.8%
- EPSS 3.8% chance of exploitation in 30 days, percentile 90%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
3.81% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- F5 Networks, Inc. BIG-IP (LTM, AAM, AFM, APM, ASM, Link Controller, PEM, WebAccelerator, WebSafe)
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
support.f5.com
/csp/article/K45320419
vendor-advisory
-
securitytracker.com
/id/1040804
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/104097
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-5514
- NVD CVE-2018-5514
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.