CVE-2018-5517
UnknownEPSS 1.80%
Last modified
CVE-2018-5517 is a vulnerability of currently unknown severity. On F5 BIG-IP 13.1.0-13.1.0.5, malformed TCP packets sent to a self IP address or a FastL4 virtual server may cause an interruption of service. The control plane is not exposed to this issue. EPSS estimates a 1.80% chance of exploitation in the next 30 days.
Description
On F5 BIG-IP 13.1.0-13.1.0.5, malformed TCP packets sent to a self IP address or a FastL4 virtual server may cause an interruption of service. The control plane is not exposed to this issue. This issue impacts the data plane virtual servers and self IPs.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Local Traffic Manager | >= 13.1.0, <= 13.1.0.5 |
| F5 | Big-Ip Application Acceleration Manager | >= 13.1.0, <= 13.1.0.5 |
| F5 | Big-Ip Advanced Firewall Manager | >= 13.1.0, <= 13.1.0.5 |
| F5 | Big-Ip Analytics | >= 13.1.0, <= 13.1.0.5 |
| F5 | Big-Ip Access Policy Manager | >= 13.1.0, <= 13.1.0.5 |
| F5 | Big-Ip Application Security Manager | >= 13.1.0, <= 13.1.0.5 |
| F5 | Big-Ip Edge Gateway | >= 13.1.0, <= 13.1.0.5 |
| F5 | Big-Ip Global Traffic Manager | >= 13.1.0, <= 13.1.0.5 |
| F5 | Big-Ip Link Controller | >= 13.1.0, <= 13.1.0.5 |
| F5 | Big-Ip Policy Enforcement Manager | >= 13.1.0, <= 13.1.0.5 |
| F5 | Big-Ip Webaccelerator | >= 13.1.0, <= 13.1.0.5 |
| F5 | Big-Ip Websafe | >= 13.1.0, <= 13.1.0.5 |
| F5 | Big-Ip Domain Name System | >= 13.1.0, <= 13.1.0.5 |
References
- http://www.securitytracker.com/id/1040805Third Party Advisory, VDB Entry
- https://support.f5.com/csp/article/K25573437Vendor Advisory
- http://www.securitytracker.com/id/1040805Third Party Advisory, VDB Entry
- https://support.f5.com/csp/article/K25573437Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-5517?
On F5 BIG-IP 13.1.0-13.1.0.5, malformed TCP packets sent to a self IP address or a FastL4 virtual server may cause an interruption of service. The control plane is not exposed to this issue. This issue impacts the data plane virtual servers and self IPs.
How severe is CVE-2018-5517?
Severity scoring for CVE-2018-5517 is pending analysis. The EPSS model estimates a 1.80% probability of exploitation in the next 30 days.
How do I fix CVE-2018-5517?
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-2018-5511On F5 BIG-IP 13.1.0-13.1.0.3 or 13.0.0, when authenticated a…
- CVE-2018-5512On F5 BIG-IP 13.1.0-13.1.0.5, when Large Receive Offload (LR…
- CVE-2018-5513On F5 BIG-IP 13.1.0-13.1.0.3, 13.0.0, 12.1.0-12.1.3.3, 11.6.…
- CVE-2018-5514On F5 BIG-IP 13.1.0-13.1.0.5, maliciously crafted HTTP/2 req…
- CVE-2018-5515On F5 BIG-IP 13.0.0-13.1.0.5, using RADIUS authentication re…
- CVE-2018-5516On F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.2, or 11.2.1-11.6.…
- CVE-2018-5518On F5 BIG-IP 13.0.0-13.1.0.5 or 12.0.0-12.1.3.3, malicious r…
- CVE-2018-5519On F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.3, or 11.2.1-11.…
- CVE-2018-5520On an F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.1, or 11.2.1-…
- CVE-2018-5521On F5 BIG-IP 12.1.0-12.1.3.1, 11.6.1-11.6.3.1, 11.5.1-11.5.5…
- CVE-2018-5522On F5 BIG-IP 13.0.0, 12.0.0-12.1.2, 11.6.1-11.6.3.1, 11.5.1-…
- CVE-2018-5523On F5 BIG-IP 13.1.0-13.1.0.3, 13.0.0, 12.1.0-12.1.3.1, 11.6.…
Are you affected by CVE-2018-5517?
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