CVE-2021-41030

9.1 criticalEPSS 1.0%

Critical (9.1) in fortinet forticlient enterprise management server. EPSS 1.0% chance of exploitation in the next 30 days.

An authentication bypass by capture-replay vulnerability [CWE-294] in FortiClient EMS versions 7.0.1 and below and 6.4.4 and below may allow an unauthenticated attacker to impersonate an existing user by intercepting and re-using valid SAML authentication messages.

Severity

CVSS 3.1

9.1 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 62% of CVEs (scores of 2026-10-31)
CWE: CWE-294
Published: 2021-12-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

fortinet:forticlient_enterprise_management_server

References

https://fortiguard.com/advisory/FG-IR-21-192
https://fortiguard.com/advisory/FG-IR-21-192

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