Security Advisories

Essentials Filter Bypass with .eml or .msg File Attachments

Advisory ID: PFPT-SA-2021-0012

Proofpoint Essentials contained a vulnerability in the scanning engine that allowed certain blocked filetypes to bypass customer created filters when embedded in an attached .eml or .msg attachment. A fix has been deployed. End users should be advised to approach any emails with .eml or .msg attachments received prior to September 23, 2021, with caution. No further action is required.

Vulnerability Information

There is no further vulnerability information for this issue as it is a cloud application.

This vulnerability has been assigned a CVSS score of 7.5.

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

Fixed Software

Proofpoint has deployed the fixed version to the cloud application.

Proofpoint Essentials Customers

No action is required. Applicable fixes have already been deployed by Proofpoint.

For any questions or concerns, please contact Proofpoint Support.

URL

https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2021-0012

Revision History

Version Description Section Date
1.0 Initial Release   November 12, 2021

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