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TI-2021-08057 Aliases CVE-2021-26107GHSA-w484-2gxp-43x9

An improper access control vulnerability [CWE-284] in FortiManager versions 6.4.4 and…

Priority LOW 29Published · Updated

Key facts

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

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

Summary

An improper access control vulnerability [CWE-284] in FortiManager versions 6.4.4 and 6.4.5 may allow an authenticated attacker with a restricted user profile to modify the VPN tunnel status of other VDOMs using VPN Manager.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00513 43rd percentileScored 2026-11-07
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
Partial

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 FortiManagerFortiManager 6.4.5, 6.4.4—No fix listedCNA
  • Fortinet FortiManager VendorFortinet Affected FortiManager 6.4.5, 6.4.4 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:fortimanager:6.4.4:*:*:*:*:*:*:*6.4.4VulnerableFortinet
cpe:2.3:a:fortinet:fortimanager:6.4.5:*:*:*:*:*:*:*6.4.5VulnerableFortinet
  • cpe:2.3:a:fortinet:fortimanager:6.4.4:*:*:*:*:*:*:* Versions 6.4.4 Vulnerable ·Fortinet
  • cpe:2.3:a:fortinet:fortimanager:6.4.5:*:*:*:*:*:*:* Versions 6.4.5 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-26107
  2. 2026-10-03 Alias added: GHSA-w484-2gxp-43x9

References

Advisory 1

Other 1

  • TI-2026-20057 Authentication bypass in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.4
  • TI-2024-31859 Missing authentication in Fortinet FortiManager KEVCVSS 3.1CRITICAL 9.8
  • 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-2024-32582 Path traversal in Fortinet FortiOS CVSS 3.1CRITICAL 9.1
  • TI-2021-12260 Use after free in Fortinet FortiManager CVSS 3.1CRITICAL 9.8
See all 112 →

Sources

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