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TI-2021-19217 Aliases CVE-2021-43205GHSA-g758-vqjh-f7pq

Information disclosure in Fortinet FortiClientLinux

Priority LOW 26CWE-200Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-200.

Summary

An exposure of sensitive information to an unauthorized actor vulnerability [CWE-200] in FortiClient for Linux version 7.0.2 and below, 6.4.7 and below and 6.2.9 and below may allow an unauthenticated attacker to access the confighandler webserver via external binaries.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00924 60th 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 FortiClientLinuxFortiClientLinux 7.0.2 and below, 6.4.7 and below, 6.2.9 and below—No fix listedCNA
  • Fortinet FortiClientLinux VendorFortinet Affected FortiClientLinux 7.0.2 and below, 6.4.7 and below, 6.2.9 and below Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:linux:*:*6.2.0 – 6.2.4; 6.2.6 – 6.2.9; 6.4.0 – 6.4.4; 7.0.0 – 7.0.2VulnerableFortinet
cpe:2.3:a:fortinet:forticlient:6.4.7:*:*:*:*:linux:*:*6.4.7VulnerableFortinet
  • cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:linux:*:* Versions 6.2.0 – 6.2.4; 6.2.6 – 6.2.9; 6.4.0 – 6.4.4; 7.0.0 – 7.0.2 Vulnerable ·Fortinet
  • cpe:2.3:a:fortinet:forticlient:6.4.7:*:*:*:*:linux:*:* Versions 6.4.7 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-43205
  2. 2026-10-03 Alias added: GHSA-g758-vqjh-f7pq

References

Patch 1

  • TI-2019-13180 An unquoted service path vulnerability in the FortiClient FortiTray component of… CVSS 3.1CRITICAL 9.8
  • TI-2023-24393 Code injection in Fortinet FortiClientLinux CVSS 3.1CRITICAL 9.4
  • TI-2017-10335 Information disclosure in Fortinet FortiClient for Windows CVSS 3.0HIGH 8.8
  • TI-2016-06998 In FortiClientWindows 5.4.1 and 5.4.2, an attacker may escalate privilege via a FortiClientNamedPipe vulnerability. CVSS 3.0HIGH 8.8
  • TI-2019-03954 Untrusted search path in Fortinet FortiClientWindows CVSS 3.1HIGH 8.6
  • TI-2017-05007 A privilege escalation in Fortinet FortiClient Windows 5.4.3 and earlier as well as 5.6.0… CVSS 3.0HIGH 8.1
See all 85 →

Sources

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