Cisco Secure Email and Web Manager Web-based Management Interface insertion of sensitive information into sent data

Summaryinfo

A vulnerability described as problematic has been identified in Cisco Secure Email and Web Manager. Affected by this vulnerability is an unknown functionality of the component Web-based Management Interface. Executing a manipulation can lead to insertion of sensitive information into sent data. This vulnerability is registered as CVE-2021-1425. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Cisco Secure Email and Web Manager (unknown version). It has been declared as problematic. This vulnerability affects an unknown code block of the component Web-based Management Interface. The manipulation with an unknown input leads to a insertion of sensitive information into sent data vulnerability. The CWE definition for the vulnerability is CWE-201. The code transmits data to another actor, but a portion of the data includes sensitive information that should not be accessible to that actor. As an impact it is known to affect confidentiality. CVE summarizes:

A vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Content Security Management Appliance (SMA) could allow an authenticated, remote attacker to access sensitive information on an affected device. The vulnerability exists because confidential information is being included in HTTP requests that are exchanged between the user and the device. An attacker could exploit this vulnerability by looking at the raw HTTP requests that are sent to the interface. A successful exploit could allow the attacker to obtain some of the passwords that are configured throughout the interface.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

The advisory is available at sec.cloudapps.cisco.com. This vulnerability was named CVE-2021-1425 since 11/13/2020. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/11/2025). This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

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Vendor

• Cisco

Name

• Secure Email and Web Manager

License

• commercial

Website

• Vendor: https://www.cisco.com/

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