An insufficient session expiration vulnerability [CWE-613] in FortiSandbox FortiSandbox version 4.4.4 and below, version 4.2.6 and below, 4.0 all versions, 3.2 all versions and FortiIsolator version 2.4 and below, 2.3 all versions, 2.2 all versions, 2.1 all versions, 2.0 all versions, 1.2 all versions may allow a remote attacker in possession of an admin session cookie to keep using that admin's session even after the admin user was deleted.
Conclusion & alert: CVE-2024-27779 is rated Moderate Risk (49.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.45%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-14 | 0.13% | 0.45% | +0.32% |
| 2 | 2025-11-21 | 0.19% | 0.13% | -0.06% |
| 3 | 2025-11-18 | — | 0.19% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.7 | 3.1 | MEDIUM |
|
1.2 | 5.5 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| fortinet | fortiisolator | >= 1.2.0, < 2.4.5 | cpe:2.3:a:fortinet:fortiisolator:*:*:*:*:*:*:*:* |
| fortinet | fortisandbox | >= 3.2.0, < 4.2.7 | cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:* |
| fortinet | fortisandbox | >= 4.4.0, < 4.4.5 | cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://fortiguard.fortinet.com/psirt/FG-IR-24-035 | Vendor Advisory |