CWE
22
Advisory Published
Updated

CVE-2021-33576: Path Traversal

First published: Fri Jun 18 2021(Updated: )

An issue was discovered in Cleo LexiCom 5.5.0.0. Within the AS2 message, the sender can specify a filename. This filename can include path-traversal characters, allowing the file to be written to an arbitrary location on disk.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Cleo LexiCom=5.5.0.0

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Frequently Asked Questions

  • What is the severity of CVE-2021-33576?

    CVE-2021-33576 is rated as a medium severity vulnerability due to its potential impact on file system integrity.

  • How does CVE-2021-33576 work?

    CVE-2021-33576 allows attackers to exploit path-traversal characters in a specified filename within AS2 messages to write files to arbitrary locations on disk.

  • What software versions are affected by CVE-2021-33576?

    CVE-2021-33576 affects Cleo LexiCom version 5.5.0.0.

  • How do I fix CVE-2021-33576?

    To mitigate CVE-2021-33576, update to a patched version of Cleo LexiCom that addresses the path-traversal vulnerability.

  • What are the risks of not addressing CVE-2021-33576?

    If CVE-2021-33576 is not addressed, attackers could potentially overwrite or access sensitive files on the server.

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