CVE-2021-39273

8.8 highEPSS 2.7%

High (8.8) in xerosecurity sn1per. EPSS 2.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

8.8 high

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

EPSS: 2.7% chance of exploitation in the next 30 days; higher than 85% of CVEs (scores of 2026-10-31)
CWE: CWE-276
Published: 2021-08-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

xerosecurity:sn1per

References

https://github.com/1N3/Sn1per/issues/358
https://github.com/1N3/Sn1per/releases
https://github.com/nikip72/CVE-2021-39273-CVE-2021-39274
https://github.com/1N3/Sn1per/issues/358
https://github.com/1N3/Sn1per/releases

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