CVE-2021-22997 json
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 cluster…
published 2021-03-31 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-10115
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 66%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- f5 big-iq_centralized_management 8.0.0
Exploit prediction
1.11% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- n/a BIG-IQ
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
-
support.f5.com
/csp/article/K34074377
vendor-advisory
Sources
- CVE List CVE-2021-22997
- NVD CVE-2021-22997
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