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Case File

CVE-2021-3376

HIGH · CVSS 8.8 EPSS 1.10% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-14 · 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. Exploitation may require the attacker to be authenticated.

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-2021-3376
Severity
HIGH
CVSS
8.8
EPSS
1.10%

Original NVD Description

An issue was discovered in Cuppa CMS Versions Before 31 Jan 2021 allows authenticated attackers to gain escalated privileges via a crafted POST request using the user_group_id_field parameter.

Related CVEs

Other vulnerabilities affecting the same vendor(s)