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TI-2021-21056 Aliases CVE-2021-46088GHSA-g5ff-j87h-3cwg

Zabbix 4.0 LTS, 4.2, 4.4, and 5.0 LTS is vulnerable to Remote Code Execution (RCE).

Priority LOW 38Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Zabbix 4.0 LTS, 4.2, 4.4, and 5.0 LTS is vulnerable to Remote Code Execution (RCE). Any user with the "Zabbix Admin" role is able to run custom shell script on the application server in the context of the application user.

Why it matters now

EPSS 0.03927 90th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*4.0.0 – 4.0.34; 4.2.0 – 4.2.8; 4.4.0 – 4.4.11; 5.0.0 – 5.0.20VulnerableZabbix
  • cpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:* Versions 4.0.0 – 4.0.34; 4.2.0 – 4.2.8; 4.4.0 – 4.4.11; 5.0.0 – 5.0.20 Vulnerable ·Zabbix

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-46088
  2. 2026-10-03 Alias added: GHSA-g5ff-j87h-3cwg

References

Exploit 1

  • TI-2022-07300 Authentication bypass by spoofing in Zabbix Frontend KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-28315 SQL injection in user.get API CVSS 3.1CRITICAL 9.9
  • TI-2016-08210 SQL injection vulnerability in Zabbix before 2.2.14 and 3.0 before 3.0.4 allows remote… CVSS 3.0CRITICAL 9.8
  • TI-2013-04884 Multiple SQL injection vulnerabilities in Zabbix 1.8.x before 1.8.18rc1, 2.0.x before 2.0.9rc1, and 2.1.x before 2.1.7. CVSS 3.1CRITICAL 9.8
  • TI-2022-07303 Possible view of the setup pages by unauthenticated users if config file already exists KEVCVSS 3.1MEDIUM 5.3
  • TI-2024-14721 Time Based SQL Injection in Zabbix Server Audit Log CVSS 3.1CRITICAL 9.1
See all 114 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences