Resource exhaustion in F5 Big-Ip Application Security Manager
CVE-2018-5541
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.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.018 (78.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- F5 Big-Ip Application Security Manager
- F5 Networks, Inc. Big-Ip (Asm) — versions 13.0.0-13.1.0.1, 12.1.0-12.1.3.5, 11.6.0-11.6.3.1
Weakness classification (CWE)
References
- www.securityfocus.com/bid/104906 (VDB Entry, Third Party Advisory, vdb-entry)
- support.f5.com/csp/article/K12403422 (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-5541?
- CVE-2018-5541 is a high-severity vulnerability in F5 Big-Ip Application Security Manager, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2018-07-25.
- How severe is CVE-2018-5541?
- High severity. CVSS v3 base score is 7.5 out of 10.