CWE
502
Advisory Published
Updated

CVE-2021-40102

First published: Fri Sep 24 2021(Updated: )

An issue was discovered in Concrete CMS through 8.5.5. Arbitrary File deletion can occur via PHAR deserialization in is_dir (PHP Object Injection associated with the __wakeup magic method).

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Concrete5<=8.5.5

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Frequently Asked Questions

  • What is the severity of CVE-2021-40102?

    CVE-2021-40102 has a high severity rating due to the potential for arbitrary file deletion.

  • How do I fix CVE-2021-40102?

    To fix CVE-2021-40102, update Concrete CMS to the latest version beyond 8.5.5.

  • What kind of attack vector is associated with CVE-2021-40102?

    CVE-2021-40102 is associated with PHP Object Injection via PHAR deserialization.

  • Can CVE-2021-40102 affect my website?

    Yes, if you are using Concrete CMS version 8.5.5 or earlier, your website could be vulnerable to CVE-2021-40102.

  • What is the impact of CVE-2021-40102 on affected systems?

    The impact of CVE-2021-40102 allows an attacker to delete arbitrary files, compromising system integrity.

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