Remote Code Execution (RCE) Affecting umbracoforms package, versions [8.7.0,8.7.6) [8.6.0,8.6.2) [8.5.0,8.5.7) [8.4.0,8.4.4) [8.3.0,8.3.4) [8.2.0,8.2.3) [8.1.0,8.1.6) [8.0.0,8.0.2) [7.5.0,7.5.4) [7.4.0,7.4.3) [7.3.0,7.3.2) [7.2.0,7.2.1) [7.1.0,7.1.4) [7.0.0,7.0.7) [6.0.0,6.0.10) [4.0.0,4.4.9)


0.0
critical

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 1.02% (84th percentile)
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NVD
9.8 critical

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  • Snyk ID SNYK-DOTNET-UMBRACOFORMS-1569869
  • published 26 Aug 2021
  • disclosed 26 Aug 2021
  • credit Gary O’Leary-Steele from AppCheck

How to fix?

Upgrade UmbracoForms to version 8.7.6, 8.6.2, 8.5.7, 8.4.4, 8.3.4, 8.2.3, 8.1.6, 8.0.2, 7.5.4, 7.4.3, 7.3.2, 7.2.1, 7.1.4, 7.0.7, 6.0.10, 4.4.9 or higher.

Overview

UmbracoForms is a tool that makes creating contact forms, entry forms and questionnaires just as easy as using Word.

Affected versions of this package are vulnerable to Remote Code Execution (RCE). A security issue in Umbraco Forms could lead to a remote code execution attack and/or arbitrary file deletion.