CVE-2018-5539
UnknownEPSS 1.78%
Last modified
CVE-2018-5539 is a vulnerability of currently unknown severity. Under certain conditions, on F5 BIG-IP ASM 13.0.0-13.1.0.7, 12.1.0-12.1.3.5, 11.6.0-11.6.3.1, 11.5.1-11.5.6, or 11.2.1, when processing CSRF protections, the BIG-IP ASM bd process may restart and produce a core file.. EPSS estimates a 1.78% chance of exploitation in the next 30 days.
Description
Under certain conditions, on F5 BIG-IP ASM 13.0.0-13.1.0.7, 12.1.0-12.1.3.5, 11.6.0-11.6.3.1, 11.5.1-11.5.6, or 11.2.1, when processing CSRF protections, the BIG-IP ASM bd process may restart and produce a core file.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Application Security Manager | >= 11.5.1, <= 11.5.6 |
| 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 |
| F5 | Big-Ip Application Security Manager | 11.2.1 |
References
- http://www.securityfocus.com/bid/104921Third Party Advisory, VDB Entry
- https://support.f5.com/csp/article/K75432956Vendor Advisory
- http://www.securityfocus.com/bid/104921Third Party Advisory, VDB Entry
- https://support.f5.com/csp/article/K75432956Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-5539?
Under certain conditions, on F5 BIG-IP ASM 13.0.0-13.1.0.7, 12.1.0-12.1.3.5, 11.6.0-11.6.3.1, 11.5.1-11.5.6, or 11.2.1, when processing CSRF protections, the BIG-IP ASM bd process may restart and produce a core file.
How severe is CVE-2018-5539?
Severity scoring for CVE-2018-5539 is pending analysis. The EPSS model estimates a 1.78% probability of exploitation in the next 30 days.
How do I fix CVE-2018-5539?
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-2018-5533Under certain conditions on F5 BIG-IP 13.0.0, 12.1.0-12.1.2,…
- CVE-2018-5534Under certain conditions on F5 BIG-IP 13.1.0-13.1.0.5, 13.0.…
- 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-2018-5540On F5 BIG-IP 13.0.0-13.0.1, 12.1.0-12.1.3.3, 11.6.0-11.6.3.1…
- CVE-2018-5541When F5 BIG-IP ASM 13.0.0-13.1.0.1, 12.1.0-12.1.3.5, 11.6.0-…
- 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…
Are you affected by CVE-2018-5539?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
