8.8
CWE
346 942
Advisory Published
Updated

CVE-2021-34435

First published: Wed Sep 01 2021(Updated: )

Credit: emo@eclipse.org

Affected SoftwareAffected VersionHow to fix
Eclipse Theia>=0.3.9<=1.8.1

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Frequently Asked Questions

  • What is CVE-2021-34435?

    CVE-2021-34435 is a vulnerability in Eclipse Theia 0.3.9 to 1.8.1 that allows a previewed malicious HTML file to trigger remote code execution (RCE).

  • How does the mini-browser extension in Eclipse Theia work?

    The mini-browser extension in Eclipse Theia allows users to preview HTML files in an iframe inside the IDE.

  • Is CVE-2021-34435 only exploitable if a user previews a malicious file?

    Yes, the exploit in CVE-2021-34435 only occurs if a user previews a malicious HTML file.

  • What is the severity of CVE-2021-34435?

    CVE-2021-34435 has a severity rating of 8.8 (high).

  • How can I fix CVE-2021-34435?

    To fix CVE-2021-34435, it is recommended to update Eclipse Theia to a version higher than 1.8.1.

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