CVE-2018-5514: f5 networks, inc. big-ip (ltm, aam, afm, apm, asm, link controller, pem, webaccelerator, websafe) Improper Input Validation
CVSS: 7.5v3.0HighModified
Published 02-05-2018Last modified 16-09-2024
Vulnerability summary
CVE-2018-5514 is a high (CVSS 7.5) Improper Input Validation vulnerability in f5 networks, inc. big-ip (ltm, aam, afm, apm, asm, link controller, pem, webaccelerator, websafe). EPSS estimates a 3.81% chance of exploitation in the next 30 days, higher than 89.9% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.0 (NVD)EPSS score
3.81%
0%100%
Low · -0.07 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 02-05-2018PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
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 metrics
2 scores · 1 source · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
3.81%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
-0.07 pp
From 3.89% on 19-09-2026
19-09-202619-10-2026
EPSS score3.81%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
F513 products
- big-ip_access_policy_manager≥ 13.1.0, ≤ 13.1.0.5
- big-ip_advanced_firewall_manager≥ 13.1.0, ≤ 13.1.0.5
- big-ip_analytics≥ 13.1.0, ≤ 13.1.0.5
- big-ip_application_acceleration_manager≥ 13.1.0, ≤ 13.1.0.5
- big-ip_application_security_manager≥ 13.1.0, ≤ 13.1.0.5
F5 networks, inc.1 product
2 vendors · 14 products