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TI-2020-07431 Aliases CVE-2020-9291GHSA-qrcx-r22r-r6xm

Exposure of resource to wrong sphere in Fortinet FortiClient for Windows

Priority LOW 35CWE-668Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
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

An Insecure Temporary File vulnerability in FortiClient for Windows 6.2.1 and below may allow a local user to gain elevated privileges via exhausting the pool of temporary file names combined with a symbolic link attack.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00528 44th 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 FortiClient for WindowsFortiClient for Windows 6.2.1 and earlier and FortiClient for Windows 6.0.9 and earlier—No fix listedCNA
  • Fortinet FortiClient for Windows VendorFortinet Affected FortiClient for Windows 6.2.1 and earlier and FortiClient for Windows 6.0.9 and earlier Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*up to 6.0.9; 6.2.0 – 6.2.1VulnerableFortinet
  • cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:* Versions up to 6.0.9; 6.2.0 – 6.2.1 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-9291
  2. 2026-10-03 Alias added: GHSA-qrcx-r22r-r6xm

References

  • 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