CVE-2020-5888
HIGHCVSS 8.1/10EPSS 0.57%
Last modified
CVE-2020-5888 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. On versions 15.1.0-15.1.0.1, 15.0.0-15.0.1.2, and 14.1.0-14.1.2.3, BIG-IP Virtual Edition (VE) may expose a mechanism for adjacent network (layer 2) attackers to access local daemons and bypass port lockdown settings.. EPSS estimates a 0.57% chance of exploitation in the next 30 days.
Description
On versions 15.1.0-15.1.0.1, 15.0.0-15.0.1.2, and 14.1.0-14.1.2.3, BIG-IP Virtual Edition (VE) may expose a mechanism for adjacent network (layer 2) attackers to access local daemons and bypass port lockdown settings.
Metrics
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Local Traffic Manager | >= 14.1.0, < 14.1.2.4 |
| F5 | Big-Ip Local Traffic Manager | >= 15.0.0, < 15.0.1.3 |
| F5 | Big-Ip Local Traffic Manager | >= 15.1.0, < 15.1.0.2 |
| F5 | Big-Ip Application Acceleration Manager | >= 14.1.0, < 14.1.2.4 |
| F5 | Big-Ip Application Acceleration Manager | >= 15.0.0, < 15.0.1.3 |
| F5 | Big-Ip Application Acceleration Manager | >= 15.1.0, < 15.1.0.2 |
| F5 | Big-Ip Advanced Firewall Manager | >= 14.1.0, < 14.1.2.4 |
| F5 | Big-Ip Advanced Firewall Manager | >= 15.0.0, < 15.0.1.3 |
| F5 | Big-Ip Advanced Firewall Manager | >= 15.1.0, < 15.1.0.2 |
| F5 | Big-Ip Analytics | >= 14.0.0, < 14.1.2.4 |
| F5 | Big-Ip Analytics | >= 15.0.0, < 15.0.1.3 |
| F5 | Big-Ip Analytics | >= 15.1.0, < 15.1.0.2 |
| F5 | Big-Ip Access Policy Manager | >= 14.0.0, < 14.1.2.4 |
| F5 | Big-Ip Access Policy Manager | >= 15.0.0, < 15.0.1.3 |
| F5 | Big-Ip Access Policy Manager | >= 15.1.0, < 15.1.0.2 |
| F5 | Big-Ip Application Security Manager | >= 14.0.0, < 14.1.2.4 |
| F5 | Big-Ip Application Security Manager | >= 15.0.0, < 15.0.1.3 |
| F5 | Big-Ip Application Security Manager | >= 15.1.0, < 15.1.0.2 |
| F5 | Big-Ip Domain Name System | >= 14.0.0, < 14.1.2.4 |
| F5 | Big-Ip Domain Name System | >= 15.0.0, < 15.0.1.3 |
| F5 | Big-Ip Domain Name System | >= 15.1.0, < 15.1.0.2 |
| F5 | Big-Ip Fraud Protection Service | >= 14.0.0, < 14.1.2.4 |
| F5 | Big-Ip Fraud Protection Service | >= 15.0.0, < 15.0.1.3 |
| F5 | Big-Ip Fraud Protection Service | >= 15.1.0, < 15.1.0.2 |
| F5 | Big-Ip Global Traffic Manager | >= 14.0.0, < 14.1.2.4 |
| F5 | Big-Ip Global Traffic Manager | >= 15.0.0, < 15.0.1.3 |
| F5 | Big-Ip Global Traffic Manager | >= 15.1.0, < 15.1.0.2 |
| F5 | Big-Ip Link Controller | >= 14.0.0, < 14.1.2.4 |
| F5 | Big-Ip Link Controller | >= 15.0.0, < 15.0.1.3 |
| F5 | Big-Ip Link Controller | >= 15.1.0, < 15.1.0.2 |
| F5 | Big-Ip Policy Enforcement Manager | >= 14.0.0, < 14.1.2.4 |
| F5 | Big-Ip Policy Enforcement Manager | >= 15.0.0, < 15.0.1.3 |
| F5 | Big-Ip Policy Enforcement Manager | >= 15.1.0, < 15.1.0.2 |
References
- https://support.f5.com/csp/article/K73274382Vendor Advisory
- https://support.f5.com/csp/article/K73274382Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-5888?
On versions 15.1.0-15.1.0.1, 15.0.0-15.0.1.2, and 14.1.0-14.1.2.3, BIG-IP Virtual Edition (VE) may expose a mechanism for adjacent network (layer 2) attackers to access local daemons and bypass port lockdown settings.
How severe is CVE-2020-5888?
CVE-2020-5888 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.
How do I fix CVE-2020-5888?
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.
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