Home/CVE/An improper symlink following in FortiClient for Mac 6.4.3 and below may allow an non-privileged user to execute arbitra
CVE

CVE-2021-26089

An improper symlink following in FortiClient for Mac 6.4.3 and below may allow an non-privileged user to execute arbitra

An improper symlink following in FortiClient for Mac 6.4.3 and below may allow an non-privileged user to execute arbitrary privileged shell commands during installation phase.

MEDIUM · CVSS 6.7 EPSS 0.00093
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-59Improper Link Resolution Before File Access ('Link Following')
▤

Affected Products & Versions

1
fortinet forticlient<= 6.4.3
▣

Scoring & Timeline

6.7
MEDIUM · CVSS v3.1 · psirt@fortinet.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Jul 2021 · 01:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://fortiguard.com/advisory/FG-IR-21-022Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-078/Third Party AdvisoryVDB Entry
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