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.

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.

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.

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.

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.

Vulnerability/
CVE-2024-20257

medium

4.8

CWE

15/5/2024

4/6/2024

CVE-2024-20257: XSS

First published: Wed 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.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco AsyncOS for Secure Email Gateway

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Reference Links

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-sma-wsa-xss-bgG5WHOD

Frequently Asked Questions

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.
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.
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.
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.
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.

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