CVE-2022-23131: Zabbix Frontend Authentication Bypass Vulnerability

CVE-2022-23131 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2022-02-22

Zabbix Frontend allows an unauthenticated attacker to bypass authentication and gain administrative access when SAML SSO is enabled. The vulnerability exists because session data, specifically the user login, is not properly verified, allowing for client-side session modification.

Technologies: Zabbix Frontend. Vendors: Zabbix.

Quick answers

Is CVE-2022-23131 exploited in the wild?
Yes. CVE-2022-23131 is known to be exploited in the wild, first recorded on 22 February 2022. Treat it as urgent.
How severe is CVE-2022-23131?
Critical severity, with a CVSS score of 9.8, published 22 February 2022.
Which products and versions are affected?
Zabbix Zabbix Frontend 5.4.0 - 5.4.8, 6.0.0 alpha1.
Is there a fix for CVE-2022-23131?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2022-23131 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2022-23131?
Check whether you run Zabbix Frontend. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Zabbix Zabbix Frontend 5.4.0 - 5.4.8, 6.0.0 alpha1

Timeline

  • 2022-01-13: disclosed: NVD Published Date
  • 2022-02-22: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2022-02-22: advisory: Published date listed in advisory header

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