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.

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)

EPSS: 0.018 (76.8th percentile) — read the EPSS interpretation.

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.

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)

CWE-400 — Uncontrolled Resource Consumption

References

f5sirt@f5.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
f5sirt@f5.com (x_refsource_CONFIRM, 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.