CVE-2021-22995 json
On all 7.x and 6.x versions (fixed in 8.0.0), BIG-IQ high availability (HA) when using a Quorum device for automatic failover does not impl…
published 2021-03-31 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-10113
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
Summary
On all 7.x and 6.x versions (fixed in 8.0.0), BIG-IQ high availability (HA) when using a Quorum device for automatic failover does not implement any form of authentication with the Corosync daemon. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
Exploit prediction
0.91% chance of exploitation in the next 30 days, higher than 60% 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:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Affected products
- n/a BIG-IQ
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
-
support.f5.com
/csp/article/K13155201
vendor-advisory
Sources
- CVE List CVE-2021-22995
- NVD CVE-2021-22995
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