CVE-2018-5541: f5 networks, inc. big-ip asm Uncontrolled Resource Consumption
CVSS: 7.8v2.0HighModified
Published 25-07-2018Last modified 16-09-2024
Vulnerability summary
CVE-2018-5541 is a high (CVSS 7.8) Uncontrolled Resource Consumption vulnerability in f5 networks, inc. big-ip asm. EPSS estimates a 1.82% chance of exploitation in the next 30 days, higher than 78.3% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v2.0 (NVD)EPSS score
1.82%
0%100%
Low · -0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 25-07-2018PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
When F5 BIG-IP ASM 13.0.0-13.1.0.1, 12.1.0-12.1.3.5, 11.6.0-11.6.3.1, or 11.5.1-11.5.6 is processing HTTP requests, an unusually large number of parameters can cause excessive CPU usage in the BIG-IP ASM bd process.
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
High 7.8Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:CSourcesSingle source
EPSS trend
Probability
1.82%
Chance of exploitation in the next 30 days
Percentile
78%
Versus all other CVEs
30-day change
-0.02 pp
From 1.84% on 19-09-2026
19-09-202619-10-2026
EPSS score1.82%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
F51 product
- big-ip_application_security_manager≥ 11.5.1, ≤ 11.5.5 | ≥ 11.6.1, ≤ 11.6.3 | ≥ 12.1.0, ≤ 12.1.3 | ≥ 13.0.0, ≤ 13.1.0
F5 networks, inc.1 product
- big-ip asm13.0.0-13.1.0.1 | 12.1.0-12.1.3.5 | 11.6.0-11.6.3.1 | 11.5.1-11.5.6
2 vendors · 2 products