CVE-2018-5541
UnknownEPSS 1.84%
Last modified
CVE-2018-5541 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.84% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Application Security Manager | >= 11.5.1, <= 11.5.5 |
| F5 | Big-Ip Application Security Manager | >= 11.6.1, <= 11.6.3 |
| F5 | Big-Ip Application Security Manager | >= 12.1.0, <= 12.1.3 |
| F5 | Big-Ip Application Security Manager | >= 13.0.0, <= 13.1.0 |
References
- http://www.securityfocus.com/bid/104906Third Party Advisory, VDB Entry
- https://support.f5.com/csp/article/K12403422Vendor Advisory
- http://www.securityfocus.com/bid/104906Third Party Advisory, VDB Entry
- https://support.f5.com/csp/article/K12403422Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2018-5541?
Severity scoring for CVE-2018-5541 is pending analysis. The EPSS model estimates a 1.84% probability of exploitation in the next 30 days.
How do I fix CVE-2018-5541?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2018
- CVE-2018-5535On F5 BIG-IP 14.0.0, 13.0.0-13.1.0, 12.1.0-12.1.3, or 11.5.1…
- CVE-2018-5536A remote attacker via undisclosed measures, may be able to e…
- CVE-2018-5537A remote attacker may be able to disrupt services on F5 BIG-…
- CVE-2018-5538On F5 BIG-IP DNS 13.1.0-13.1.0.7, 12.1.3-12.1.3.5, DNS Expre…
- CVE-2018-5539Under certain conditions, on F5 BIG-IP ASM 13.0.0-13.1.0.7, …
- CVE-2018-5540On F5 BIG-IP 13.0.0-13.0.1, 12.1.0-12.1.3.3, 11.6.0-11.6.3.1…
- CVE-2018-5542F5 BIG-IP 13.0.0-13.0.1, 12.1.0-12.1.3.6, or 11.2.1-11.6.3.2…
- CVE-2018-5543The F5 BIG-IP Controller for Kubernetes 1.0.0-1.5.0 (k8s-big…
- CVE-2018-5544When the F5 BIG-IP APM 13.0.0-13.1.1 or 12.1.0-12.1.3 render…
- CVE-2018-5545On F5 WebSafe Alert Server 1.0.0-4.2.6, a malicious, authent…
- CVE-2018-5546The svpn and policyserver components of the F5 BIG-IP APM cl…7.8
- CVE-2018-5547Windows Logon Integration feature of F5 BIG-IP APM client pr…
Are you affected by CVE-2018-5541?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
