CVE-2023-5770

Medium

Description

Proofpoint Enterprise Protection contains a vulnerability in the email delivery agent that allows an unauthenticated attacker to inject improperly encoded HTML into the email body of a message through the email subject. The vulnerability is caused by inappropriate encoding when rewriting the email before delivery.This issue affects Proofpoint Enterprise Protection: from 8.20.2 before patch 4809, from 8.20.0 before patch 4805, from 8.18.6 before patch 4804 and all other prior versions.

SeverityMedium
CVSS5.3
Exploit probability—
ProductProofpoint Enterprise Protection
PublishedJan 9, 2024
First seenJan 9, 2024
Weakness typeCWE-838CWE-838

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
proofpoint enterprise_protection8.18.6, 8.20.0, 8.20.2—

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