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CVE PROGRAM SOURCE RECORD5.8 Medium

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Cisco Cisco Secure Email

Default version status: unknown

  • 14.0.0-698affected
  • 13.5.1-277affected
  • 13.0.0-392affected
  • 14.2.0-620affected
  • 13.0.5-007affected
  • 13.5.4-038affected
  • 14.2.1-020affected
  • 14.3.0-032affected
  • 15.0.0-104affected
  • 15.0.1-030affected
  • 15.5.0-048affected
  • 15.5.1-055affected
  • 15.5.2-018affected
  • 16.0.0-050affected
  • 15.0.3-002affected

References