PT-2021-17696 · Sonlogger · Sonlogger

Berkan Erb · Published 2021-03-05 · Updated 2022-07-12 · CVE-2021-27963

Positive Technologies (AI Summary)

CVSS v3.1

8.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: SonLogger versions prior to 6.4.1

Description: The issue allows an anonymous user to create a new user with any user permissions profile, such as SuperAdmin, by sending a POST request to the /User/saveUser endpoint without any authentication or session header.

Recommendations: For versions prior to 6.4.1, update to version 6.4.1 or later to resolve the issue. As a temporary workaround, consider restricting access to the /User/saveUser endpoint to prevent unauthorized user creation.

Exploit

Fix

Missing Authentication

Weakness Enumeration

CWE-306

Related Identifiers

CVE-2021-27963

Affected Products

Sonlogger

References · 7

• 🔥 https://github.com/erberkan/SonLogger-vulns · Exploit
• https://sonlogger.com/releasenotes · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-27963 · Security Note
• https://osv.dev/vulnerability/CVE-2021-27963 · Vendor Advisory
• https://t.me/cvenotify/10915 · Telegram Post
• https://t.me/cybersecuritytechnologies/2858 · Telegram Post
• https://t.me/cibsecurity/24496 · Telegram Post