Vulnerability Details : 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.
Products affected by CVE-2023-5770
- cpe:2.3:a:proofpoint:enterprise_protection:8.20.0:*:*:*:*:*:*:*
- cpe:2.3:a:proofpoint:enterprise_protection:8.18.6:*:*:*:*:*:*:*
- cpe:2.3:a:proofpoint:enterprise_protection:8.20.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-5770
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 18 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-5770
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N |
2.8
|
2.5
|
NIST | 2024-01-18 |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
3.9
|
1.4
|
Proofpoint Inc. | 2024-01-09 |
CWE ids for CVE-2023-5770
-
The product uses or specifies an encoding when generating output to a downstream component, but the specified encoding is not the same as the encoding that is expected by the downstream component.Assigned by:
- nvd@nist.gov (Primary)
- security@proofpoint.com (Secondary)
References for CVE-2023-5770
-
https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2023-0009
Proofpoint Enterprise Protection HTML Injection in Email Body Through Email Subject Vulnerability | Proofpoint USVendor Advisory
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