CVE-2018-5531: f5 networks, inc. big-ip (ltm, aam, afm, analytics, apm, asm, dns, edge gateway, fps, gtm, link controller, pem, webaccelerator) Improper Input Validation
Vulnerability summary
CVE-2018-5531 is a high (CVSS 7.4) 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 0.51% chance of exploitation in the next 30 days, higher than 41.9% of scored vulnerabilities.
Timeline
- 25-07-2018PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
Through undisclosed methods, on F5 BIG-IP 13.0.0-13.1.0.7, 12.1.0-12.1.3.5, 11.6.0-11.6.3.1, or 11.2.1-11.5.6, adjacent network attackers can cause a denial of service for VCMP guest and host systems. Attack must be sourced from adjacent network (layer 2).
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.51%
Chance of exploitation in the next 30 days
Percentile
42%
Versus all other CVEs
30-day change
0.00 pp
From 0.51% on 18-09-2026
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≥ 11.2.1, ≤ 11.5.6 | ≥ 11.6.0, ≤ 11.6.3.1 | ≥ 12.1.0, ≤ 12.1.3.5 | ≥ 13.0.0, ≤ 13.1.0.7
- big-ip_advanced_firewall_manager≥ 11.2.1, ≤ 11.5.6 | ≥ 11.6.0, ≤ 11.6.3.1 | ≥ 12.1.0, ≤ 12.1.3.5 | ≥ 13.0.0, ≤ 13.1.0.7
- big-ip_analytics≥ 11.2.1, ≤ 11.5.6 | ≥ 11.6.0, ≤ 11.6.3.1 | ≥ 12.1.0, ≤ 12.1.3.5 | ≥ 13.0.0, ≤ 13.1.0.7
- big-ip_application_acceleration_manager≥ 11.2.1, ≤ 11.5.6 | ≥ 11.6.0, ≤ 11.6.3.1 | ≥ 12.1.0, ≤ 12.1.3.5 | ≥ 13.0.0, ≤ 13.1.0.7
- big-ip_application_security_manager≥ 10.1.0, ≤ 11.5.6 | ≥ 11.6.0, ≤ 11.6.3.1 | ≥ 12.1.0, ≤ 12.1.3.5 | ≥ 13.0.0, ≤ 13.1.0.7
F5 networks, inc.1 product
- big-ip (ltm, aam, afm, analytics, apm, asm, dns, edge gateway, fps, gtm, link controller, pem, webaccelerator)13.0.0-13.1.0.7 | 12.1.0-12.1.3.5 | 11.6.0-11.6.3.1 | 11.2.1-11.5.6
2 vendors · 14 products