CVE-2021-26089
highpriority · track · 31EPSS 0.004 · 37 %ileEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.7–7.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (11)
External citations — patches, advisories, analysis.
- https://fortiguard.com/advisory/FG-IR-21-022cnnvd
- https://vigilance.fr/vulnerability/Fortinet-FortiClient-privilege-escalation-via-Apple-macOS-35728cnnvd
- https://www.auscert.org.au/bulletins/ESB-2021.2378cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2021061717cnnvd
- https://www.fortinet.com/Patchcnnvd
- https://www.zerodayinitiative.com/advisories/ZDI-21-693/cnnvd
- https://www.zerodayinitiative.com/advisories/ZDI-22-078/cnnvd
- https://fortiguard.com/advisory/FG-IR-21-022enisa_euvd
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