cisco-sa-ESA-HTTP-Inject-nvsycUmR: Cisco Email Security Appliance and Cisco Secure Email and Web Manager HTTP Response Header Injection Vulnerability
First published: Wed Nov 02 2022(Updated: )
A vulnerability in Cisco Email Security Appliance (ESA) and Cisco Secure Email and Web Manager could allow an unauthenticated, remote attacker to conduct an HTTP response splitting attack. This vulnerability is due to the failure of the application or its environment to properly sanitize input values. An attacker could exploit this vulnerability by injecting malicious HTTP headers, controlling the response body, or splitting the response into multiple responses. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ESA-HTTP-Inject-nvsycUmR
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco ESA | =14.3<14.3.0-0231>=14.1<=14.2<14.2.1-015>=13.5.1<=14.0<14.0.3-015 | 14.3.0-0231 14.2.1-015 14.0.3-015 |
| Cisco Secure Email and Web Manager | =14.3<14.3.0-1151=14.2<14.2.0-217 | 14.3.0-1151 14.2.0-217 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this Cisco Email Security Appliance and Cisco Secure Email and Web Manager vulnerability?
The vulnerability ID for this Cisco Email Security Appliance and Cisco Secure Email and Web Manager vulnerability is cisco-sa-ESA-HTTP-Inject-nvsycUmR.
What is the severity rating of the cisco-sa-ESA-HTTP-Inject-nvsycUmR vulnerability?
The severity rating of the cisco-sa-ESA-HTTP-Inject-nvsycUmR vulnerability is medium (4.7).
What is the impact of the cisco-sa-ESA-HTTP-Inject-nvsycUmR vulnerability?
The cisco-sa-ESA-HTTP-Inject-nvsycUmR vulnerability could allow an unauthenticated, remote attacker to conduct an HTTP response splitting attack.
Which products and versions are affected by the cisco-sa-ESA-HTTP-Inject-nvsycUmR vulnerability?
The Cisco Email Security Appliance (ESA) versions 14.3, 14.2, and 14.0, as well as Cisco Secure Email and Web Manager versions 14.3 and 14.2 are affected by the cisco-sa-ESA-HTTP-Inject-nvsycUmR vulnerability.
Is there a fix available for the cisco-sa-ESA-HTTP-Inject-nvsycUmR vulnerability?
Yes, there are fix versions available for the cisco-sa-ESA-HTTP-Inject-nvsycUmR vulnerability. For Cisco Email Security Appliance, versions 14.3.0-0231, 14.2.1-015, and 14.0.3-015 are the fix versions. For Cisco Secure Email and Web Manager, versions 14.3.0-1151 and 14.2.0-217 are the fix versions.
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