CVE-2021-39274

PoC ×2—

CVSS 3.1

9.8 critical

EPSS

3%p87

Published

Aug 19, 2021 (Aug 19, 2021)

Modified

Jun 17, 2026

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.

Vendors: xerosecurity
Products: sn1per
Weakness: CWE-276
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (3.1%)

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