CVE-2025-34186

critical

Description

Ilevia EVE X1/X5 Server version ≤ 4.7.18.0.eden contains a vulnerability in its authentication mechanism. Unsanitized input is passed to a system() call for authentication, allowing attackers to inject special characters and manipulate command parsing. Because the binary interprets non-zero exit codes from system() as successful authentication, remote attackers can bypass authentication and gain full access to the system.

References

https://www.vulncheck.com/advisories/ilevia-eve-x1-x5-server-auth-bypass

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2025-5958.php

https://packetstorm.news/files/id/208871/

https://www.cisa.gov/news-events/ics-advisories/icsa-26-036-04

https://www.ilevia.com/

Details

Source: Mitre, NVD

Published: 2025-09-16

Updated: 2026-05-26

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

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

Severity: Critical

CVSS v4

Base Score: 9.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: Critical

EPSS

EPSS: 0.00489