CVE-2021-31703

9.8 criticalEPSS 1.2%

Critical (9.8) in frontiersoftware ichris. EPSS 1.2% chance of exploitation in the next 30 days.

Frontier ichris through 5.18 allows users to upload malicious executable files that might later be downloaded and run by any client user.

Severity

9.8 critical

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

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)
CWE: CWE-434
Published: 2021-05-29
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19