Vulnerability in Proofpoint Enterprise Protection
CVE-2023-5770
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 · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (25.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Proofpoint Enterprise Protection — versions 8.18.6, 8.20.0, 8.20.2
- Proofpoint Enterprise Protection — versions 8.20.2, 8.20.0, 8.18.6
Weakness classification (CWE)
References
- www.proofpoint.com/us/security/security-advisories/pfpt-sa-2023-0009 (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-5770?
- CVE-2023-5770 is a medium-severity vulnerability in Proofpoint Enterprise Protection, classified under CWE-838. CVSS score: 5.3/10. Published 2024-01-09.
- How severe is CVE-2023-5770?
- Medium severity. CVSS v3 base score is 5.3 out of 10.