CVE-2018-5534: f5 networks, inc. big-ip (ltm, aam, afm, analytics, apm, asm, dns, edge gateway, fps, gtm, link controller, pem, webaccelerator) Improper Input Validation
CVSS: 7.5v3.0HighModified
Published 19-07-2018Last modified 16-09-2024
Vulnerability summary
CVE-2018-5534 is a high (CVSS 7.5) Improper Input Validation vulnerability in f5 networks, inc. big-ip (ltm, aam, afm, analytics, apm, asm, dns, edge gateway, fps, gtm, link controller, pem, webaccelerator). EPSS estimates a 1.76% chance of exploitation in the next 30 days, higher than 77.6% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.0 (NVD)EPSS score
1.76%
0%100%
Low · -0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 19-07-2018PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
Under certain conditions on F5 BIG-IP 13.1.0-13.1.0.5, 13.0.0, 12.1.0-12.1.3.1, 11.6.0-11.6.3.1, or 11.5.0-11.5.6, TMM may core while processing SSL forward proxy traffic.
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
1.76%
Chance of exploitation in the next 30 days
Percentile
78%
Versus all other CVEs
30-day change
-0.02 pp
From 1.78% on 18-09-2026
18-09-202618-10-2026
EPSS score1.76%
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≥ 11.5.0, ≤ 11.5.6 | ≥ 11.6.0, ≤ 11.6.3.1 | ≥ 12.1.0, ≤ 12.1.3.1 | ≥ 13.1.0, ≤ 13.1.0.5 | 13.0.0
- big-ip_advanced_firewall_manager≥ 11.5.0, ≤ 11.5.6 | ≥ 11.6.0, ≤ 11.6.3.1 | ≥ 12.1.0, ≤ 12.1.3.1 | ≥ 13.1.0, ≤ 13.1.0.5 | 13.0.0
- big-ip_analytics≥ 11.5.0, ≤ 11.5.6 | ≥ 11.6.0, ≤ 11.6.3.1 | ≥ 12.1.0, ≤ 12.1.3.1 | ≥ 13.1.0, ≤ 13.1.0.5 | 13.0.0
- big-ip_application_acceleration_manager≥ 11.5.0, ≤ 11.5.6 | ≥ 11.6.0, ≤ 11.6.3.1 | ≥ 12.1.0, ≤ 12.1.3.1 | ≥ 13.1.0, ≤ 13.1.0.5 | 13.0.0
- big-ip_application_security_manager≥ 11.5.0, ≤ 11.5.6 | ≥ 11.6.0, ≤ 11.6.3.1 | ≥ 12.1.0, ≤ 12.1.3.1 | ≥ 13.1.0, ≤ 13.1.0.5 | 13.0.0
F5 networks, inc.1 product
- big-ip (ltm, aam, afm, analytics, apm, asm, dns, edge gateway, fps, gtm, link controller, pem, webaccelerator)13.1.0-13.1.0.5 | 13.0.0 | 12.1.0-12.1.3.1 | 11.6.0-11.6.3.1 | 11.5.0-11.5.6
2 vendors · 14 products