High severity · published Mar 31, 2021
CVE-2021-22995
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…
7.5
CVSS
0.9%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BC
Big-iq Centralized Management · F5
6.0.0 through 6.1.0; 7.0.0 through 7.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22995
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22995
Vendor Advisory
https://support.f5.com/csp/article/K13155201
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