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Case File

CVE-2021-39273

HIGH · CVSS 8.8 EPSS 2.67% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-19 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
arbitrary code execution code execution
GitHub PoC Links
github.com ↗ github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-39273
Severity
HIGH
CVSS
8.8
EPSS
2.67%

Original NVD 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.