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PatchSiren cyber security CVE debrief

CVE-2022-23134 Zabbix CVE debrief

CVE-2022-23134 is a Zabbix Frontend improper access control vulnerability that CISA added to its Known Exploited Vulnerabilities catalog on 2022-02-22. Because it is on the KEV list, organizations should treat it as a high-priority remediation item and follow vendor update guidance without delay. The supplied sources do not include affected versions or exploit details, so the safest response is to identify exposed Zabbix Frontend deployments and apply the vendor-recommended update path.

Vendor
Zabbix
Product
Frontend
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-02-22
Original CVE updated
2022-02-22
Advisory published
2022-02-22
Advisory updated
2022-02-22

Who should care

Organizations running Zabbix Frontend, especially asset owners, vulnerability management teams, and administrators responsible for patching and access control review.

Technical summary

The issue is described only as an improper access control vulnerability in Zabbix Frontend. The source corpus does not provide affected version ranges, attack prerequisites, or specific impact details. What is confirmed is that CISA listed the CVE in the Known Exploited Vulnerabilities catalog and directed defenders to apply updates per vendor instructions.

Defensive priority

High. CISA listed this CVE in the KEV catalog on the same date it was published, with a remediation due date of 2022-03-08.

Recommended defensive actions

  • Inventory all Zabbix Frontend instances and confirm whether any are exposed or actively used.
  • Review Zabbix vendor advisories and apply the recommended updates or mitigation steps as soon as possible.
  • Validate that access controls and administrative permissions are configured according to least privilege.
  • Check change and vulnerability management records to confirm remediation was completed by the KEV due date.
  • Monitor for any signs of unauthorized access attempts against Zabbix Frontend deployments.

Evidence notes

This debrief is based only on the supplied CISA KEV source item and the official CVE/NVD reference links. Confirmed facts: the CVE identifier, the Zabbix Frontend product, the vulnerability class (improper access control), KEV inclusion, the CISA dateAdded of 2022-02-22, and the dueDate of 2022-03-08. No affected versions, exploit chain, or remediation version were present in the corpus, so those details are intentionally omitted.

Official resources

Publicly disclosed on 2022-02-22 and added to CISA’s Known Exploited Vulnerabilities catalog the same day; CISA set a remediation due date of 2022-03-08.