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TI-2020-17436 Aliases CVE-2020-28902GHSA-cc5q-pg95-qhwg

Command Injection in Nagios Fusion 4.1.8 and earlier allows Privilege Escalation from apache to root in cmd_subsys.php.

Priority MEDIUM 53CWE-77Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-77.

Summary

Command Injection in Nagios Fusion 4.1.8 and earlier allows Privilege Escalation from apache to root in cmd_subsys.php.

Why it matters now

EPSS 0.08445 95th 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:nagios:fusion:*:*:*:*:*:*:*:*up to 4.1.8VulnerableNagios
  • cpe:2.3:a:nagios:fusion:*:*:*:*:*:*:*:* Versions up to 4.1.8 Vulnerable ·Nagios

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-28902
  2. 2026-10-03 Alias added: GHSA-cc5q-pg95-qhwg
  3. 2026-10-23 EPSS moved to the 95th–99th percentile
  4. 2026-10-25 EPSS moved to the 90th–95th percentile
  5. 2026-10-31 EPSS moved to the 95th–99th percentile

References

Exploit 1

Advisory 2

  • TI-2020-17439 Improper Input Validation in Nagios Fusion 4.1.8 and earlier allows an authenticated… CVSS 3.1HIGH 8.8
  • TI-2020-17435 Command Injection in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation or… CVSS 3.1CRITICAL 9.8
  • TI-2020-17442 Command Injection in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation to nagios. CVSS 3.1CRITICAL 9.8
  • TI-2020-17438 Execution with Unnecessary Privileges in Nagios Fusion 4.1.8 and earlier allows for… CVSS 3.1CRITICAL 9.8
  • TI-2020-17441 Incorrect SSL certificate validation in Nagios Fusion 4.1.8 and earlier allows for… CVSS 3.1CRITICAL 9.8
  • TI-2020-17443 Incorrect File Permissions in Nagios Fusion 4.1.8 and earlier allows for Privilege… CVSS 3.1HIGH 8.8
See all 18 →

Sources

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