CVE-2020-5943
MEDIUMCVSS 6.5/10EPSS 0.52%
Last modified
CVE-2020-5943 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. In versions 14.1.0-14.1.0.1 and 14.1.2.5-14.1.2.7, when a BIG-IP object is created or listed through the REST interface, the protected fields are obfuscated in the REST response, not protected via a SecureVault cryptogram as TMSH does. One example of protected fields is the GTM monitor password.. EPSS estimates a 0.52% chance of exploitation in the next 30 days.
Description
In versions 14.1.0-14.1.0.1 and 14.1.2.5-14.1.2.7, when a BIG-IP object is created or listed through the REST interface, the protected fields are obfuscated in the REST response, not protected via a SecureVault cryptogram as TMSH does. One example of protected fields is the GTM monitor password.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Access Policy Manager | >= 14.1.0, <= 14.1.0.1 |
| F5 | Big-Ip Access Policy Manager | >= 14.1.2.5, <= 14.1.2.7 |
| F5 | Big-Ip Advanced Firewall Manager | >= 14.1.0, <= 14.1.0.1 |
| F5 | Big-Ip Advanced Firewall Manager | >= 14.1.2.5, <= 14.1.2.7 |
| F5 | Big-Ip Advanced Web Application Firewall | >= 14.1.0, <= 14.1.0.1 |
| F5 | Big-Ip Advanced Web Application Firewall | >= 14.1.2.5, <= 14.1.2.7 |
| F5 | Big-Ip Analytics | >= 14.1.0, <= 14.1.0.1 |
| F5 | Big-Ip Analytics | >= 14.1.2.5, <= 14.1.2.7 |
| F5 | Big-Ip Application Acceleration Manager | >= 14.1.0, <= 14.1.0.1 |
| F5 | Big-Ip Application Acceleration Manager | >= 14.1.2.5, <= 14.1.2.7 |
| F5 | Big-Ip Application Security Manager | >= 14.1.0, <= 14.1.0.1 |
| F5 | Big-Ip Application Security Manager | >= 14.1.2.5, <= 14.1.2.7 |
| F5 | Big-Ip Ddos Hybrid Defender | >= 14.1.0, <= 14.1.0.1 |
| F5 | Big-Ip Ddos Hybrid Defender | >= 14.1.2.5, <= 14.1.2.7 |
| F5 | Big-Ip Domain Name System | >= 14.1.0, <= 14.1.0.1 |
| F5 | Big-Ip Domain Name System | >= 14.1.2.5, <= 14.1.2.7 |
| F5 | Big-Ip Fraud Protection Service | >= 14.1.0, <= 14.1.0.1 |
| F5 | Big-Ip Fraud Protection Service | >= 14.1.2.5, <= 14.1.2.7 |
| F5 | Big-Ip Global Traffic Manager | >= 14.1.0, <= 14.1.0.1 |
| F5 | Big-Ip Global Traffic Manager | >= 14.1.2.5, <= 14.1.2.7 |
| F5 | Big-Ip Link Controller | >= 14.1.0, <= 14.1.0.1 |
| F5 | Big-Ip Link Controller | >= 14.1.2.5, <= 14.1.2.7 |
| F5 | Big-Ip Local Traffic Manager | >= 14.1.0, <= 14.1.0.1 |
| F5 | Big-Ip Local Traffic Manager | >= 14.1.2.5, <= 14.1.2.7 |
| F5 | Big-Ip Policy Enforcement Manager | >= 14.1.0, <= 14.1.0.1 |
| F5 | Big-Ip Policy Enforcement Manager | >= 14.1.2.5, <= 14.1.2.7 |
| F5 | Big-Ip Ssl Orchestrator | >= 14.1.0, <= 14.1.0.1 |
| F5 | Big-Ip Ssl Orchestrator | >= 14.1.2.5, <= 14.1.2.7 |
References
- https://support.f5.com/csp/article/K20059815Vendor Advisory
- https://support.f5.com/csp/article/K20059815Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-5943?
In versions 14.1.0-14.1.0.1 and 14.1.2.5-14.1.2.7, when a BIG-IP object is created or listed through the REST interface, the protected fields are obfuscated in the REST response, not protected via a SecureVault cryptogram as TMSH does. One example of protected fields is the GTM monitor password.
How severe is CVE-2020-5943?
CVE-2020-5943 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.
How do I fix CVE-2020-5943?
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 2020
- CVE-2020-5937On BIG-IP AFM 15.1.0-15.1.0.5, the Traffic Management Microk…7.5
- CVE-2020-5938On BIG-IP 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, and 11.6.1-11.6.…6.5
- CVE-2020-5939In versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.3, 15.0.0-15.0.1.…7.5
- CVE-2020-5940In versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.1.0-14.…5.4
- CVE-2020-5941On BIG-IP versions 16.0.0-16.0.0.1 and 15.1.0-15.1.0.5, usin…7.5
- CVE-2020-5942In BIG-IP PEM versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.…7.5
- CVE-2020-5944In BIG-IQ 7.1.0, accessing the DoS Summary events and DNS Ov…4.3
- CVE-2020-5945In BIG-IP versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.…8.4
- CVE-2020-5946In BIG-IP Advanced WAF and FPS versions 16.0.0-16.0.0.1, 15.…7.5
- CVE-2020-5947In versions 16.0.0-16.0.0.1 and 15.1.0-15.1.1, on specific B…4.3
- CVE-2020-5948On BIG-IP versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-…9.6
- CVE-2020-5949On BIG-IP versions 14.0.0-14.0.1 and 13.1.0-13.1.3.4, certai…7.5
Are you affected by CVE-2020-5943?
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