CVE-2021-37770

HighCVSS 7.2/10Last modified Jun 17, 2026

Description

Nucleus CMS v3.71 is affected by a file upload vulnerability. In this vulnerability, we can use upload to change the upload path to the path without the Htaccess file. Upload an Htaccess file and write it to AddType application / x-httpd-php.jpg. In this way, an attacker can upload a picture with shell, treat it as PHP, execute commands, so as to take down website resources.

Metrics

CVSS 3.1 7.2/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jun 30, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-37770: High severity, CVSS 7.2 | Vulnix