CVE-2024-20257: XSS

Published May 15, 2024
·
Updated

A vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Secure Email Gateway could allow an authenticated, remote attacker to conduct an XSS attack against a user of the interface.r This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user of an affected interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.

Affected Software

29 affected components
Cisco AsyncOS Software for Cisco Secure Email Gateway
All of the following
Any of the following
Cisco AsyncOS=11.0.3-238
Cisco AsyncOS=11.1.0-069
Cisco AsyncOS=11.1.0-128
Cisco AsyncOS=11.1.0-131
Cisco AsyncOS=12.0.0-419
Cisco AsyncOS=12.1.0-071
Cisco AsyncOS=12.1.0-087
Cisco AsyncOS=12.1.0-089
Cisco AsyncOS=12.5.0-066
Cisco AsyncOS=12.5.3-041
Cisco AsyncOS=12.5.4-041
Cisco AsyncOS=13.0.0-392
Cisco AsyncOS=13.0.5-007
Cisco AsyncOS=13.5.1-277
Cisco AsyncOS=13.5.4-038
Cisco AsyncOS=14.0.0-698
Cisco AsyncOS=14.2.0-620
Cisco AsyncOS=14.2.1-020
Cisco AsyncOS=14.3.0-032
Cisco AsyncOS=15.0.0-104
Cisco AsyncOS=15.0.1-030
Cisco AsyncOS=15.5.0-048
Any of the following
Cisco Secure Email Gateway Virtual Appliance C100v
Cisco Secure Email Gateway Virtual Appliance C300v
Cisco Secure Email Gateway Virtual Appliance C600v
Cisco Secure Email Gateway C195
Cisco Secure Email Gateway C395
Cisco Secure Email Gateway C695

Event History

May 15, 2024
CVE Published
via MITRE·05:58 PM
Data Sourced
via MITRE·05:58 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2024-20257?

CVE-2024-20257 is rated as a critical severity vulnerability due to its potential to allow an authenticated remote attacker to execute an XSS attack.

2

How do I fix CVE-2024-20257?

To fix CVE-2024-20257, update your Cisco AsyncOS Software for Cisco Secure Email Gateway to the latest version that addresses this vulnerability.

3

Who is affected by CVE-2024-20257?

CVE-2024-20257 affects users of the web-based management interface for Cisco AsyncOS Software for Cisco Secure Email Gateway.

4

What can an attacker do with CVE-2024-20257?

An attacker exploiting CVE-2024-20257 could conduct cross-site scripting (XSS) attacks against users of the affected web interface.

5

Is there a workaround for CVE-2024-20257?

Currently, there are no official workarounds for CVE-2024-20257; updating the software is the recommended action.

Contact

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CVE-2024-20257 - XSS - SecAlerts