CVE-2021-39273

high

Description

In XeroSecurity Sn1per 9.0 (free version), insecure permissions (0777) are set upon application execution, allowing an unprivileged user to modify the application, modules, and configuration files. This leads to 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/358

Details

Source: Mitre, NVD

Published: 2021-08-19

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 9

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

Severity: High

CVSS v3

Base Score: 8.8

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

Severity: High

EPSS

EPSS: 0.0166