CVE-2021-26098

7.5 highEPSS 0.8%

High (7.5) in fortinet fortisandbox. EPSS 0.8% chance of exploitation in the next 30 days.

An instance of small space of random values in the RPC API of FortiSandbox before 4.0.0 may allow an attacker in possession of a few information pieces about the state of the device to possibly predict valid session IDs.

Severity

CVSS 3.1

7.5 high

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

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 57% of CVEs (scores of 2026-10-31)
CWE: CWE-330
Published: 2021-08-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

fortinet:fortisandbox

References

https://fortiguard.com/advisory/FG-IR-20-218
https://fortiguard.com/advisory/FG-IR-20-218

Check your stack JSON