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Rewterz Threat Advisory – CVE-2021-37533 – Apache Commons Net Vulnerability

Severity

Medium

Analysis Summary

CVE-2021-37533

Apache Commons Net could allow a remote attacker to obtain sensitive information, caused by an issue with the FTP client trusts the host from PASV response by default. By persuading a victim to connect to specially-crafted server, an attacker could exploit this vulnerability to obtain information about services running on the private network, and use this information to launch further attacks against the affected system.

Impact

Information Disclosure

Indicators Of Compromise

CVE

  • CVE-2021-37533

Affected Vendors

Apache

Affected Products

  • Apache Commons Net 3.8.0

Remediation

Upgrade to the latest version of Apache Commons Net, available from the Apache Website. 

Apache Website

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