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CVE-2025-20153

Severity CVSS v4.0:
Pending analysis
Type:
CWE-284 Improper Access Control
Publication date:
19/02/2025
Last modified:
31/07/2025

Description

A vulnerability in the email filtering mechanism of Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to bypass the configured rules and allow emails that should have been denied to flow through an affected device. &amp;nbsp;<br /> <br /> This vulnerability is due to improper handling of email that passes through an affected device. An attacker could exploit this vulnerability by sending a crafted email through the affected device. A successful exploit could allow the attacker to bypass email filters on the affected device.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.80 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): None
Integrity (I): Low
Availability (A): None

Base Score 3.x
5.80
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:cisco:secure_email_gateway:13.0.0-392:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_email_gateway:13.0.5-007:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_email_gateway:13.5.1-277:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_email_gateway:13.5.4-038:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_email_gateway:14.0.0-698:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_email_gateway:14.2.0-620:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_email_gateway:14.2.1-020:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_email_gateway:14.3.0-032:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_email_gateway:15.0.0-104:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_email_gateway:15.0.1-030:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_email_gateway:15.0.3-002:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_email_gateway:15.5.0-048:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_email_gateway:15.5.1-055:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_email_gateway:15.5.2-018:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_email_gateway:16.0.0-050:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools