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TI-2021-08054 Aliases CVE-2021-26104

OS command injection in Fortinet FortiManager, FortiAnalyzer, FortiPortal

Priority MEDIUM 42CWE-78Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
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 · CNA. Fix status from CNA. Impact type from CWE-78.

Summary

Multiple OS command injection (CWE-78) vulnerabilities in the command line interface of FortiManager 6.2.7 and below, 6.4.5 and below and all versions of 6.2.x, 6.0.x and 5.6.x, FortiAnalyzer 6.2.7 and below, 6.4.5 and below and all versions of 6.2.x, 6.0.x and 5.6.x, and FortiPortal 5.2.5 and below, 5.3.5 and below and 6.0.4 and below may allow a local authenticated and unprivileged user to execute arbitrary shell commands as root via specifically crafted CLI command parameters.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.03013 87th 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

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FortinetFortinet FortiManager, FortiAnalyzer, FortiPortalFortiManager 6.2.7 and below, 6.4.5 and below and all versions of 6.2.x, 6.0.x and 5.6.x, FortiAnalyzer 6.2.7 and below, 6.4.5 and below and all versions of 6.2.x, 6.0.x and 5.6.x, and FortiPortal 5.2.5 and below, 5.3.5 and below and 6.0.4 and below—No fix listedCNA
  • Fortinet FortiManager, FortiAnalyzer, FortiPortal VendorFortinet Affected FortiManager 6.2.7 and below, 6.4.5 and below and all versions of 6.2.x, 6.0.x and 5.6.x, FortiAnalyzer 6.2.7 and below, 6.4.5 and below and all versions of 6.2.x, 6.0.x and 5.6.x, and FortiPortal 5.2.5 and below, 5.3.5 and below and 6.0.4 and below Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:fortianalyzer:*:*:*:*:*:*:*:*5.6.0 to before 6.0.11; 6.2.0 to before 6.2.8; 6.4.0 to before 6.4.6VulnerableFortinet
cpe:2.3:a:fortinet:fortimanager:*:*:*:*:*:*:*:*5.6.0 to before 6.0.11; 6.2.0 to before 6.2.8; 6.4.0 to before 6.4.6VulnerableFortinet
cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:*before 5.2.6; 5.3.0 to before 5.3.6; 6.0.0 to before 6.0.5VulnerableFortinet
  • cpe:2.3:a:fortinet:fortianalyzer:*:*:*:*:*:*:*:* Versions 5.6.0 to before 6.0.11; 6.2.0 to before 6.2.8; 6.4.0 to before 6.4.6 Vulnerable ·Fortinet
  • cpe:2.3:a:fortinet:fortimanager:*:*:*:*:*:*:*:* Versions 5.6.0 to before 6.0.11; 6.2.0 to before 6.2.8; 6.4.0 to before 6.4.6 Vulnerable ·Fortinet
  • cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:* Versions before 5.2.6; 5.3.0 to before 5.3.6; 6.0.0 to before 6.0.5 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-26104

References

Exploit 1

Advisory 1

  • TI-2026-20057 Authentication bypass in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.4
  • TI-2023-10911 A buffer underwrite ('buffer underflow') vulnerability in the administrative interface of… CVSS 3.1CRITICAL 9.3
  • TI-2023-23782 Path traversal in Fortinet FortiAnalyzer CVSS 3.1MEDIUM 6.5
  • TI-2021-12260 Use after free in Fortinet FortiManager CVSS 3.1CRITICAL 9.8
  • TI-2024-33992 Weak authentication in Fortinet FortiAnalyzer CVSS 3.1CRITICAL 9.8
  • TI-2024-15684 A client-side enforcement of server-side security in Fortinet FortiAnalyzer-BigData at… CVSS 3.1HIGH 8.8
See all 91 →

Sources

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