What is CVE-2021-24011?

CVE-2021-24011 is a medium-severity vulnerability in Fortinet Fortinac. CVSS score: 6.3/10. Published 2021-05-10.

How severe is CVE-2021-24011?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Vulnerability in Fortinet Fortinac

CVE-2021-24011

A privilege escalation vulnerability in FortiNAC version below 8.8.2 may allow an admin user to escalate the privileges to root by abusing the sudo privileges.

Published 2021-05-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.008 (55.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Fortinet Fortinac
Fortinet Fortinac — versions FortiNAC 8.8.1 and below

References

fortiguard.com/advisory/FG-IR-20-038 (Vendor Advisory)

Frequently asked questions

What is CVE-2021-24011?: CVE-2021-24011 is a medium-severity vulnerability in Fortinet Fortinac. CVSS score: 6.3/10. Published 2021-05-10.
How severe is CVE-2021-24011?: Medium severity. CVSS v3 base score is 6.3 out of 10.