CVE-2020-5879
HIGHCVSS 7.5/10EPSS 0.79%
Last modified
CVE-2020-5879 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. On BIG-IP ASM 11.6.1-11.6.5.1, under certain configurations, the BIG-IP system sends data plane traffic to back-end servers unencrypted, even when a Server SSL profile is applied.. EPSS estimates a 0.79% chance of exploitation in the next 30 days.
Description
On BIG-IP ASM 11.6.1-11.6.5.1, under certain configurations, the BIG-IP system sends data plane traffic to back-end servers unencrypted, even when a Server SSL profile is applied.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Application Security Manager | >= 11.6.1, <= 11.6.5.1 |
References
- https://support.f5.com/csp/article/K88474783Vendor Advisory
- https://support.f5.com/csp/article/K88474783Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-5879?
On BIG-IP ASM 11.6.1-11.6.5.1, under certain configurations, the BIG-IP system sends data plane traffic to back-end servers unencrypted, even when a Server SSL profile is applied.
How severe is CVE-2020-5879?
CVE-2020-5879 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.79% probability of exploitation in the next 30 days.
How do I fix CVE-2020-5879?
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
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- CVE-2020-5877On BIG-IP 15.0.0-15.1.0.1, 14.1.0-14.1.2.3, 13.1.0-13.1.3.3,…7.5
- CVE-2020-5878On versions 15.1.0-15.1.0.1, 15.0.0-15.0.1.1, and 14.1.0-14.…7.5
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- CVE-2020-5881On versions 15.0.0-15.1.0.1, 14.1.0-14.1.2.3, and 13.1.0-13.…7.5
- CVE-2020-5882On BIG-IP 15.0.0-15.0.1.3, 14.1.0-14.1.2.3, 13.1.0-13.1.3.3,…7.5
- CVE-2020-5883On BIG-IP 15.0.0-15.0.1, 14.1.0-14.1.2.3, 14.0.0-14.0.1, and…7.5
- CVE-2020-5884On versions 15.0.0-15.1.0.3, 14.1.0-14.1.2.4, 13.1.0-13.1.3.…9.1
- CVE-2020-5885On versions 15.0.0-15.1.0.1, 14.1.0-14.1.2.3, 13.1.0-13.1.3.…9.1
Are you affected by CVE-2020-5879?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST