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Case File

CVE-2021-27963

HIGH · CVSS 8.2 EPSS 2.45% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-03-05 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.2. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

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

GitHub PoC Links

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

CVE
CVE-2021-27963
Severity
HIGH
CVSS
8.2
EPSS
2.45%

Original NVD Description

SonLogger before 6.4.1 is affected by user creation with any user permissions profile (e.g., SuperAdmin). An anonymous user can send a POST request to /User/saveUser without any authentication or session header.

Related CVEs

Other vulnerabilities affecting the same vendor(s)