CVE-2021-1516: Cisco Content Security Management Appliance, Email Security Appliance, and Web Security Appliance Information Disclosure Vulnerability
First published: Thu May 06 2021(Updated: )
A vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Content Security Management Appliance (SMA), Cisco Email Security Appliance (ESA), and Cisco Web Security Appliance (WSA) could allow an authenticated, remote attacker to access sensitive information on an affected device. The vulnerability exists because confidential information is 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.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Content Security Management Appliance | ||
| Cisco Email Security Appliance | ||
| Cisco Web Security Appliance | ||
| Cisco AsyncOS | <14.0 | |
| Cisco IronPort Web Security Appliance | =13.6.2-023 | |
| Cisco IronPort Web Security Appliance | =14.0.0-090 | |
| Cisco IronPort Web Security Appliance | =14.0.0-133 | |
| Cisco IronPort Web Security Appliance | =14.0.0-292 | |
| Cisco IronPort Web Security Appliance | =14.0.0-300 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-1516?
CVE-2021-1516 is a vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Content Security Management Appliance (SMA), Cisco Email Security Appliance (ESA), and Cisco Web Security Appliance (WSA) that could allow an authenticated, remote attacker to access sensitive information.
Which software is affected by CVE-2021-1516?
CVE-2021-1516 affects Cisco Content Security Management Appliance, Cisco Email Security Appliance, and Cisco Web Security Appliance.
What is the severity of CVE-2021-1516?
CVE-2021-1516 has a severity rating of 6.5, which is considered medium.
How can an attacker exploit CVE-2021-1516?
An attacker needs to be authenticated and can exploit CVE-2021-1516 by accessing the web-based management interface to retrieve sensitive information.
Is there a fix available for CVE-2021-1516?
Yes, Cisco has released a security advisory which provides information on the available fixes and mitigations for CVE-2021-1516.
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- vendor/cisco
- canonical/cisco content security management appliance
- canonical/cisco email security appliance
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- canonical/cisco asyncos
- canonical/cisco ironport web security appliance
- version/cisco ironport web security appliance/13.6.2-023
- version/cisco ironport web security appliance/14.0.0-090
- version/cisco ironport web security appliance/14.0.0-133
- version/cisco ironport web security appliance/14.0.0-292
- version/cisco ironport web security appliance/14.0.0-300