Is CVE-2022-4257 actively exploited?

Yes. CVE-2022-4257 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2022-4257 be exploited remotely?

The attack vector of CVE-2022-4257 has not been classified yet.

What is the CVSS score of CVE-2022-4257?

CVE-2022-4257 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2022-4257

UNKNOWNCISA KEVIN THE WILD

CVE-2022-4257

Published: April 11, 2026

Official Description

A vulnerability was found in C-DATA Web Management System. It has been rated as critical. This issue affects some unknown processing of the file cgi-bin/jumpto.php of the component GET Parameter Handler. The manipulation of the argument hostname leads to argument injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-214631.

NVD Source

Technical Analysis

CVE-2022-4257 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2022-4257 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.