Vulnerability in Zabbix Frontend

CVE-2022-23131

In the case of instances where the SAML SSO authentication is enabled (non-default), session data can be modified by a malicious actor, because a user login stored in the session was not verified. Malicious unauthenticated actor may exploi…

EPSS: 0.940 (99.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-23131?
CVE-2022-23131 is a critical-severity vulnerability in Zabbix Frontend, classified under Authentication Bypass by Spoofing. CVSS score: 9.1/10. Published 2022-01-13.
How severe is CVE-2022-23131?
Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2022-23131 known to be exploited?
Yes. CVE-2022-23131 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-02-22), indicating it is being actively exploited. 102 public proof-of-concept repositories are indexed.