November 13, 2026 Follow Egret
CVE-2022-23134 · CVE record: PUBLISHED

Possible view of the setup pages by unauthenticated users if config file already exists

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.

Exploitation evidence

Known exploited · CISA KEV listed

Added 2022-02-22. Ransomware campaign use: Unknown.

CISA required action: Apply updates per vendor instructions.

CISA due date: 2022-03-08. This is the catalog’s deadline, not an assessment of your organization’s exposure.

KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗

Reported products and versions

Zabbix / Frontend

Default status: Not specified

  • affected: 5.4.0 - 5.4.8
  • unaffected: 5.4.9 to < 5.4.9* (custom)

Fixes and workarounds

To remediate this vulnerability, apply the updates or if an immediate update is not possible, follow the presented workarounds.

Reported workarounds: If an immediate update is not possible, please remove the setup.php file

Sources and related reporting

CVE Program record ↗ · Download tracked evidence as JSON

Observed change timeline

History begins when Egret first downloads each source. It is not the complete upstream CVE history.

12 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-12",
  "epss": 0.9526,
  "percentile": 0.99867
}
10 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-10",
  "epss": 0.9526,
  "percentile": 0.99866
}
09 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-09",
  "epss": 0.9526,
  "percentile": 0.99866
}
08 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-08",
  "epss": 0.9526,
  "percentile": 0.99866
}
07 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-07",
  "epss": 0.9526,
  "percentile": 0.99866
}
06 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-06",
  "epss": 0.9526,
  "percentile": 0.99866
}
06 Nov 2026, 06:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-05",
  "epss": 0.9526,
  "percentile": 0.99865
}
05 Nov 2026, 06:20 Jerusalem · CVE Program record changed

Stored CNA snapshot at this observation.

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04 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-04",
  "epss": 0.9526,
  "percentile": 0.99865
}
03 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-03",
  "epss": 0.93892,
  "percentile": 0.99845
}
03 Nov 2026, 02:22 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-02",
  "epss": 0.93892,
  "percentile": 0.99845
}
03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed

Stored KEV snapshot at this observation.

{
  "cveID": "CVE-2022-23134",
  "cwes": [
    "CWE-284"
  ],
  "dateAdded": "2022-02-22",
  "dueDate": "2022-03-08",
  "forensicTriage": "No",
  "knownRansomwareCampaignUse": "Unknown",
  "notes": "https://nvd.nist.gov/vuln/detail/CVE-2022-23134",
  "product": "Frontend",
  "requiredAction": "Apply updates per vendor instructions.",
  "shortDescription": "Malicious actors can pass step checks and potentially change the configuration of Zabbix Frontend.",
  "vendorProject": "Zabbix",
  "vulnerabilityName": "Zabbix Frontend Improper Access Control Vulnerability"
}
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