CVE-2018-5537: f5 networks, inc. big-ip (ltm, aam, afm, apm, asm, edge gateway, gtm, pem, webaccelerator, websafe) Improper Input Validation
Vulnerability summary
CVE-2018-5537 is a medium (CVSS 5.3) Improper Input Validation vulnerability in f5 networks, inc. big-ip (ltm, aam, afm, apm, asm, edge gateway, gtm, pem, webaccelerator, websafe). EPSS estimates a 1.19% chance of exploitation in the next 30 days, higher than 67.5% of scored vulnerabilities.
Timeline
- 25-07-2018PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
A remote attacker may be able to disrupt services on F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, 11.6.0-11.6.3.1, or 11.2.1-11.5.6 if the TMM virtual server is configured with a HTML or a Rewrite profile. TMM may restart while processing some specially prepared HTML content from the back end.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.19%
Chance of exploitation in the next 30 days
Percentile
68%
Versus all other CVEs
30-day change
0.00 pp
From 1.19% 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
F510 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, ≤ 13.1.0.5
- big-ip_advanced_firewall_manager≥ 11.2.1, ≤ 11.5.6 | ≥ 11.6.0, ≤ 11.6.3.1 | ≥ 12.1.0, ≤ 12.1.2 | ≥ 13.0.0, ≤ 13.1.0.5
- 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, ≤ 13.1.0.5
- 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, ≤ 13.1.0.5
- big-ip_edge_gateway≥ 11.2.1, ≤ 11.5.6 | ≥ 11.6.0, ≤ 11.6.3.1 | ≥ 12.1.0, ≤ 12.1.3.5 | ≥ 13.0.0, ≤ 13.1.0.5
F5 networks, inc.1 product
- big-ip (ltm, aam, afm, apm, asm, edge gateway, gtm, pem, webaccelerator, websafe)13.0.0-13.1.0.5 | 12.1.0-12.1.3.5 | 11.6.0-11.6.3.1 | 11.2.1-11.5.6
2 vendors · 11 products