High severity8.8NVD Advisory· Published Aug 19, 2021· Updated Jun 17, 2026
CVE-2021-39273
CVE-2021-39273
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.
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Affected products
2- XeroSecurity/Sn1perdescription
- Range: 9.0
Patches
Vulnerability mechanics
References
2- github.com/1N3/Sn1per/issues/358nvdExploitThird Party Advisory
- github.com/1N3/Sn1per/releasesnvdRelease NotesThird Party Advisory
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