CVE-2020-12471

PoC —

CVSS 3.1

9.8 critical

EPSS

3%p85

Published

Apr 29, 2020 (Apr 29, 2020)

Modified

Jun 17, 2026

Description

MonoX through 5.1.40.5152 allows remote code execution via HTML5Upload.ashx or Pages/SocialNetworking/lng/en-US/PhotoGallery.aspx because of deserialization in ModuleGallery.HTML5Upload, ModuleGallery.SilverLightUploadModule, HTML5Upload, and SilverLightUploadHandler.

Vendors: mono
Products: monox
Weakness: CWE-502
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.8%)

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