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.

Published: 2024-01-09
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2023-58053 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.
History

Tue, 03 Jun 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Proofpoint Enterprise Protection
cve-icon MITRE

Status: PUBLISHED

Assigner: Proofpoint

Published:

Updated: 2025-06-03T14:29:46.790Z

Reserved: 2023-10-25T17:57:53.751Z

Link: CVE-2023-5770

cve-icon Vulnrichment

Updated: 2024-08-02T08:07:32.637Z

cve-icon NVD

Status : Modified

Published: 2024-01-09T22:15:43.400

Modified: 2024-11-21T08:42:27.270

Link: CVE-2023-5770

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses