AUGUST 4, 2026
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Case File

CVE-2021-44528

MEDIUM · CVSS 6.1 EPSS 4.18% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-01-10 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

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-2021-44528
Severity
MEDIUM
CVSS
6.1
EPSS
4.18%

Original NVD Description

A open redirect vulnerability exists in Action Pack >= 6.0.0 that could allow an attacker to craft a "X-Forwarded-Host" headers in combination with certain "allowed host" formats can cause the Host Authorization middleware in Action Pack to redirect users to a malicious website.