What is CVE-2021-22997?

CVE-2021-22997 is a high-severity vulnerability in F5 Big-Iq Centralized Management, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2021-03-31.

How severe is CVE-2021-22997?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-22997 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in F5 Big-Iq Centralized Management

CVE-2021-22997

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.

Vulnerability class: Broken Authentication

EPSS: 0.011 (61.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

F5 Big-iq_centralized_management
N/a Big-iq — versions All 7.x and 6.x versions

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

Public proof-of-concept exploits

DNTYO/F5_

References

f5sirt@f5.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-22997?: CVE-2021-22997 is a high-severity vulnerability in F5 Big-Iq Centralized Management, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2021-03-31.
How severe is CVE-2021-22997?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-22997 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.