CVE-2021-42342

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

An issue was discovered in GoAhead 4.x and 5.x before 5.1.5. In the file upload filter, user form variables can be passed to CGI scripts without being prefixed with the CGI prefix. This permits tunneling untrusted environment variables into vulnerable CGI scripts.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Oct 14, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-42342: Critical severity, CVSS 9.8 | Vulnix