VULNERABILITY INTELLIGENCE

CVE-2021-42342

CVSS score9.8 CRITICAL
EPSS probability59.46%
CISA KEVNot currently listed
Published2021-10-14
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-434

Primary references