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Case File

CVE-2021-27522

HIGH · CVSS 8.8 EPSS 1.11% Public Exploit

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

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

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-2021-27522
Severity
HIGH
CVSS
8.8
EPSS
1.11%

Original NVD Description

Learnsite 1.2.5.0 contains a remote privilege escalation vulnerability in /Manager/index.aspx through the JudgIsAdmin() function. By modifying the initial letter of the key of a user cookie, the key of the administrator cookie can be obtained.