CVE-2022-23131
CVSS v3
9.8
CRITICAL
EPSS Score
94.3 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
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 exploit this issue to escalate privileges and gain admin access to Zabbix Frontend. To perform the attack, SAML authentication is required to be enabled and the actor has to know the username of Zabbix user (or use the guest account, which is disabled by default).
CISA Known Exploited Vulnerability
- Date Added
- 2022-02-22
- Patch Due Date
- 2022-03-08
- Ransomware Use
- Unknown
Technical details
- Published
- 2022-01-13
Frequently asked questions
What is 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 exploit this issue to escalate privileges and gain admin access to Zabbix Frontend. To perform the attack, SAML authentication is required to be enabled and the actor has to know the username of Zabbix user (or use the guest account, which is disabled by default).
Is CVE-2022-23131 actively exploited?
Yes. CVE-2022-23131 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-03-08.
What is the CVSS score for CVE-2022-23131?
CVE-2022-23131 has a CVSS v3 base score of 9.8 (CRITICAL severity).
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