CVE-2025-20153
Cisco ESA mail Bypass
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. 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.
Weakness: CWE-284
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco Secure Email Gateway | Email Security | cna-assigner |
Vendor-reported products (1)
- Cisco · Cisco Secure Email
Vendor advisory
cisco-sa-esa-mailpol-bypass-5nVcJZMw
Cisco Secure Email Gateway Email Filter Bypass Vulnerability
Cisco’s rating: Medium (advisory CVSS 5.8) · Published Feb 19, 2025
Bug ID: CSCwm82380
The vendor’s rating applies to the whole advisory and can differ from this CVE’s own CVSS severity. Where this comes from