Cisco Secure Email Gateway Email Filter Bypass (cisco-sa-esa-mailpol-bypass-5nVcJZMw)

medium Nessus Plugin ID 216585

Synopsis

The remote device is missing a vendor-supplied security patch.

Description

According to its self-reported version, Cisco Secure Email Gateway is affected by a vulnerability.

- 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. (CVE-2025-20153)

Please see the included Cisco BIDs and Cisco Security Advisory for more information.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCwm82380

See Also

http://www.nessus.org/u?dc61bfea

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwm82380

Plugin Details

Severity: Medium

ID: 216585

File Name: cisco-sa-esa-mailpol-bypass-5nVcJZMw.nasl

Version: 1.1

Type: combined

Family: CISCO

Published: 2/21/2025

Updated: 2/21/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2025-20153

CVSS v3

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 5.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:cisco:email_security_appliance

Required KB Items: Host/AsyncOS/Cisco Email Security Appliance/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 2/19/2025

Vulnerability Publication Date: 2/19/2025

Reference Information

CVE: CVE-2025-20153

CWE: 284

CISCO-SA: cisco-sa-esa-mailpol-bypass-5nVcJZMw

IAVA: 2025-A-0116

CISCO-BUG-ID: CSCwm82380