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Vulnerabilities

Vulnerability · CVE-2022-23134

Zabbix Frontend Improper Access Control Vulnerability

Published Jan 13, 2022 · catalog updated Jun 16, 2026 · Zabbix Frontend

Patch now

CVE-2022-23134 is in the CISA known-exploited catalog, due Mar 8, 2022. Confirm Zabbix Frontend against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Medium5.3
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
95.26%
Remediation
Remediation guidance
Affected products
cpe debian/debian linux · cpe fedoraproject/fedora · cpe zabbix/zabbix · vendor Zabbix Frontend

After the initial setup process, some steps of setup.php file are reachable not only by super-administrators, but by unauthenticated users as well. Malicious actor can pass step checks and potentially change the configuration of Zabbix Frontend.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe debian/debian linux9.0
  • cpe fedoraproject/fedora34
  • cpe zabbix/zabbix6.0.0
  • vendor Zabbix Frontendversion unspecified

How to fix CVE-2022-23134

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2022-23134 is in the CISA known-exploited catalog, due Mar 8, 2022. Confirm Zabbix Frontend against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with debian/debian linux 9.0. Apply updates per vendor instructions.

What should an analyst verify?

CWE-284: Improper Access Control; CWE-287: Improper Authentication. EPSS 95.26%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 13, 2022 · Catalog

    Detected

    After the initial setup process, some steps of setup.php file are reachable not only by super-administrators, but by unauthenticated users as well. Malicious actor can pass step checks and potentially change the configuration of Zabbix Frontend.

  2. Feb 22, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Mar 8, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    After the initial setup process, some steps of setup.php file are reachable not only by super-administrators, but by unauthenticated users as well. Malicious actor can pass step checks and potentially change the configuration of Zabbix Frontend.

Sources

  • CISA KEVConfirmed exploitationCVE-2022-23134

    Malicious actors can pass step checks and potentially change the configuration of Zabbix Frontend.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2022-23134

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-23134

    30-day exploitation probability 95.3%

    first.org
  • NIST NVDVulnerability recordCVE-2022-23134

    After the initial setup process, some steps of setup.php file are reachable not only by super-administrators, but by unauthenticated users as well. Malicious actor can pass step checks and potentially change the configuration of Zabbix Frontend.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2022-23134

    Malicious actors can pass step checks and potentially change the configuration of Zabbix Frontend.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.