CVE-2021-39274

critical

Description

In XeroSecurity Sn1per 9.0 (free version), insecure directory permissions (0777) are set during installation, allowing an unprivileged user to modify the main application and the application configuration file. This results in arbitrary code execution with root privileges.

References

https://github.com/nikip72/CVE-2021-39273-CVE-2021-39274

https://github.com/1N3/Sn1per/releases

https://github.com/1N3/Sn1per/issues/357

Details

Source: Mitre, NVD

Published: 2021-08-19

Updated: 2026-06-17

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

EPSS

EPSS: 0.00663