CVE-2022-23131
Is CVE-2022-23131 real, exploitable, or a false positive? Here's the community verdict.
signals
public sources
Confirmed exploited in the wild. Patch this first, regardless of the base score.
baseline read
auto · not a community verdict
Real — exploited in the wild
CISA confirms active exploitation. Treat scanner hits as true positives unless your specific version or config is unaffected.
Based on CISA KEV
Confirm or dispute →CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
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).
References
Published
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Field notes & remediation
Verdicts are the quick signal. Notes are the evidence and fixes behind them.
- 0
Zabbix Frontend Authentication Bypass Vulnerability — Unsafe client-side session storage leading to authentication bypass/instance takeover via Zabbix Frontend with configured SAML. Listed in the CISA KEV catalog (added 2022-02-22) — confirmed exploited in the wild, not theoretical. FIRST EPSS puts the chance of exploitation in the next 30 days at ~96%. Treat it as real and prioritize remediation over triage.
- 0
Required action for Zabbix Frontend: Apply updates per vendor instructions. CISA set a federal remediation due date of 2022-03-08. After patching, verify the vulnerable path is no longer reachable before closing the finding.
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