CVE-2020-5870

Name: CVE-2020-5870
Creator: NVD / NIST
Published: 2020-04-24T14:15:14.31+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 0.52%

Last modified Jun 17, 2026

CVE-2020-5870 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. In BIG-IQ 5.2.0-7.0.0, high availability (HA) synchronization mechanisms do not use any form of authentication for connecting to the peer.. EPSS estimates a 0.52% chance of exploitation in the next 30 days.

Description

In BIG-IQ 5.2.0-7.0.0, high availability (HA) synchronization mechanisms do not use any form of authentication for connecting to the peer.

Metrics

CVSS 3.1

8.1/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Probability

0.52%

40.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-306

Affected Software

Vendor	Product	Versions
F5	Big-Iq Centralized Management	>= 5.2.0, <= 5.4.0
F5	Big-Iq Centralized Management	>= 6.0.0, <= 6.1.0
F5	Big-Iq Centralized Management	>= 7.0.0, < 7.1.0

References

https://support.f5.com/csp/article/K69422435Vendor Advisory
https://support.f5.com/csp/article/K69422435Vendor Advisory

Timeline

Published: Apr 24, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-5870?

In BIG-IQ 5.2.0-7.0.0, high availability (HA) synchronization mechanisms do not use any form of authentication for connecting to the peer.

How severe is CVE-2020-5870?

CVE-2020-5870 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.

How do I fix CVE-2020-5870?

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.

Are you affected by CVE-2020-5870?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST