What’s Vulnerable › Vulnerabilities
CVE-2020-5869
- Severity: critical (CVSS 9.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-04-24 · updated 2026-06-17
- Weakness: CWE-924
Description
In BIG-IQ 5.2.0-7.0.0, high availability (HA) synchronization is not secure by TLS and may allow on-path attackers to read / modify confidential data in transit.
Affected products
- F5 BIG-IQ: from 5.2.0 through 5.4.0; from 6.0.0 through 6.1.0; from 7.0.0 before 7.1.0 — fixed in 7.1.0
How to fix
Upgrade to a fixed version: F5 BIG-IQ 7.1.0. Check the vendor advisory for mitigations.
References
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