PT-2021-22502 · Xerosecurity · Xerosecurity Sn1Per

Nikola Pepelishev · Published 2021-08-19 · Updated 2021-08-30 · CVE-2021-39274

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions XeroSecurity Sn1per version 9.0

Description The issue is related to insecure directory permissions set during installation, allowing an unprivileged user to modify the main application and its configuration file. This results in arbitrary code execution with root privileges.

Recommendations For XeroSecurity Sn1per version 9.0, consider changing the directory permissions to a more secure setting to prevent unauthorized modifications. As a temporary workaround, restrict access to the application's configuration file to minimize the risk of exploitation.

Exploit

Fix

Incorrect Default Permissions

Weakness Enumeration

CWE-276

Related Identifiers

CVE-2021-39274

Affected Products

Xerosecurity Sn1Per

References · 7

• 🔥 https://github.com/1N3/Sn1per/issues/357 · Exploit
• 🔥 https://github.com/nikip72/CVE-2021-39273-CVE-2021-39274 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-39274 · Security Note
• https://osv.dev/vulnerability/CVE-2021-39274 · Vendor Advisory
• https://github.com/1N3/Sn1per/releases · Note
• https://t.me/cibsecurity/27586 · Telegram Post
• https://t.me/cvenotify/19731 · Telegram Post