CVE-2021-26107
mediumpriority · track · 17EPSS 0.005 · 44 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
No weakness (CWE) mapping recorded.
affected products (3)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://fortiguard.com/advisory/FG-IR-21-043cnnvd
- https://vigilance.fr/vulnerability/Fortinet-FortiManager-read-write-access-via-VPN-Tunnel-Status-36796cnnvd
- https://www.auscert.org.au/bulletins/ESB-2021.3906cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2021111610cnnvd
- https://www.fortiguard.com/psirt?date=11-2021&risk=3cnnvd
- https://fortiguard.com/advisory/FG-IR-21-043enisa_euvd
- https://fortiguard.com/advisory/FG-IR-21-043Broken Linknvd
- https://www.fortiguard.com/psirt?date=11-2021&risk=3Vendor Advisorynvd
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