CVE-2018-5501: f5 networks, inc. big-ip (ltm, aam, afm, analytics, apm, asm, dns, edge gateway, gtm, link controller, pem, webaccelerator, websafe) Uncontrolled Resource Consumption
CVSS: 5.9v3.0MediumModified
Published 01-03-2018Last modified 17-09-2024
Vulnerability summary
CVE-2018-5501 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 1.33% chance of exploitation in the next 30 days, higher than 70.6% of scored vulnerabilities.
CVSS score
5.9/10
010
Medium · v3.0 (NVD)EPSS score
1.33%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 01-03-2018PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
In some circumstances, on F5 BIG-IP systems running 13.0.0, 12.1.0 - 12.1.3.1, any 11.6.x or 11.5.x release, or 11.2.1, TCP DNS profile allows excessive buffering due to lack of flow control.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.9Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesSingle source
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.33%
Chance of exploitation in the next 30 days
Percentile
71%
Versus all other CVEs
30-day change
0.00 pp
From 1.33% on 18-09-2026
18-09-202618-10-2026
EPSS score1.33%
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≥ 11.5.1, ≤ 11.5.4 | ≥ 11.6.1, ≤ 11.6.2 | ≥ 12.1.0, ≤ 12.1.3 | 11.2.1 | 13.0.0
- big-ip_advanced_firewall_manager≥ 11.5.1, ≤ 11.5.4 | ≥ 11.6.1, ≤ 11.6.2 | ≥ 12.1.0, ≤ 12.1.3 | 11.2.1 | 13.0.0
- big-ip_analytics≥ 11.5.1, ≤ 11.5.4 | ≥ 11.6.1, ≤ 11.6.2 | ≥ 12.1.0, ≤ 12.1.3 | 11.2.1 | 13.0.0
- big-ip_application_acceleration_manager≥ 11.5.1, ≤ 11.5.4 | ≥ 11.6.1, ≤ 11.6.2 | ≥ 12.1.0, ≤ 12.1.3 | 11.2.1 | 13.0.0
- big-ip_application_security_manager≥ 11.5.1, ≤ 11.5.4 | ≥ 11.6.1, ≤ 11.6.2 | ≥ 12.1.0, ≤ 12.1.3 | 11.2.1 | 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.x | 11.5.1 - 11.5.x | 11.2.1
2 vendors · 14 products