CVE-2018-5500: f5 networks, inc. big-ip (ltm, aam, afm, analytics, apm, asm, dns, edge gateway, gtm, link controller, pem, webaccelerator, websafe) Uncontrolled Resource Consumption
Vulnerability summary
CVE-2018-5500 is a medium (CVSS 5.9) Uncontrolled Resource Consumption vulnerability in f5 networks, inc. big-ip (ltm, aam, afm, analytics, apm, asm, dns, edge gateway, gtm, link controller, pem, webaccelerator, websafe). EPSS estimates a 1.34% chance of exploitation in the next 30 days, higher than 70.9% of scored vulnerabilities.
Timeline
- 01-03-2018PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
On F5 BIG-IP systems running 13.0.0, 12.1.0 - 12.1.3.1, or 11.6.1 - 11.6.2, every Multipath TCP (MCTCP) connection established leaks a small amount of memory. Virtual server using TCP profile with Multipath TCP (MCTCP) feature enabled will be affected by this issue.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.34%
Chance of exploitation in the next 30 days
Percentile
71%
Versus all other CVEs
30-day change
0.00 pp
From 1.34% 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≥ 11.6.1, ≤ 11.6.2 | ≥ 12.1.0, ≤ 12.1.3.1 | 13.0.0
- big-ip_advanced_firewall_manager≥ 11.6.1, ≤ 11.6.2 | ≥ 12.1.0, ≤ 12.1.3.1 | 13.0.0
- big-ip_analytics≥ 11.6.1, ≤ 11.6.2 | ≥ 12.1.0, ≤ 12.1.3.1 | 13.0.0
- big-ip_application_acceleration_manager≥ 11.6.1, ≤ 11.6.2 | ≥ 12.1.0, ≤ 12.1.3.1 | 13.0.0
- big-ip_application_security_manager≥ 11.6.1, ≤ 11.6.2 | ≥ 12.1.0, ≤ 12.1.3.1 | 13.0.0
F5 networks, inc.1 product
- big-ip (ltm, aam, afm, analytics, apm, asm, dns, edge gateway, gtm, link controller, pem, webaccelerator, websafe)13.0.0 | 12.1.0 - 12.1.3.1 | 11.6.1 - 11.6.2
2 vendors · 14 products