What’s Vulnerable › Vulnerabilities
CVE-2021-22997
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-03-31 · updated 2026-06-17
- Weakness: CWE-306
Description
On all 7.x and 6.x versions (fixed in 8.0.0), BIG-IQ HA ElasticSearch service does not implement any form of authentication for the clustering transport services, and all data used by ElasticSearch for transport is unencrypted. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
Affected products
- F5 BIG-IQ: from 6.0.0 before 8.0.0 — fixed in 8.0.0
How to fix
Upgrade to a fixed version: F5 BIG-IQ 8.0.0. Check the vendor advisory for mitigations.
References
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