RCE in Fortinet Fortiisolator

CVE-2024-55590

Multiple improper neutralization of special elements used in an OS command ('OS Command Injection') vulnerabilities [CWE-78] in Fortinet FortiIsolator version 2.4.0 through 2.4.5 allows an authenticated attacker with at least read-only admin permission and CLI access to execute unauthorized code via specifically crafted CLI commands.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (61.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 61st percentile — 61.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-55590: held from 0.010 to 0.010.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-55590?
CVE-2024-55590 is a high-severity vulnerability in Fortinet Fortiisolator, classified under OS Command Injection. CVSS score: 8.8/10. Published 2025-03-11.
How severe is CVE-2024-55590?
High severity. CVSS v3 base score is 8.8 out of 10.