Security Advisories

Insider Threat Management Server Authenticated XML External Entity Vulnerability, CVE-2021-22158

Advisory ID: PFPT-SA-2021-0003

The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) is vulnerable to XML external entity (XXE) injection in the Web Console. The vulnerability requires admin user privileges and knowledge of the XML file's encryption key to successfully exploit. All versions before 7.11 are affected.

Vulnerability Information

This vulnerability is identified by CVE-2021-22158. Proofpoint has released patches to address this issue.

This vulnerability has been assigned a CVSS score of 8.3:

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Fixed Software

Proofpoint has released fixes in versions 7.9.3, 7.10.3, and 7.11.1.

The patched versions are now available through the customer support portal.

URL

https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2021-0003

Revision History

Version Description Section Date
1.0 Initial release   April 6, 2021

Legal Disclaimer

THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. PROOFPOINT RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.

A standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for authorized subscribers to Proofpoint products and services.

Questions or concerns?

Open a Support call or contact Support via your hotline phone number.
Further updates will be posted as needed.