What is the severity of CVE-2017-3818?

CVE-2017-3818 is rated as a high severity vulnerability due to its potential to allow unauthorized access to filtered content.

How do I fix CVE-2017-3818?

To mitigate CVE-2017-3818, upgrade to the latest version of Cisco Email Security Appliance firmware that addresses this vulnerability.

What type of attack can CVE-2017-3818 facilitate?

CVE-2017-3818 can facilitate an attack that allows an unauthenticated remote attacker to bypass user-configured filters on the Cisco Email Security Appliance.

Which Cisco products are affected by CVE-2017-3818?

CVE-2017-3818 specifically affects the Cisco Email Security Appliance running firmware version 9.7.1-066.

Is user authentication required to exploit CVE-2017-3818?

No, CVE-2017-3818 can be exploited by an unauthenticated remote attacker, which increases its risk profile.

Vulnerability/
CVE-2017-3818

medium

5.8

CWE

3/2/2017

25/7/2017

CVE-2017-3818: Input Validation

First published: Fri Feb 03 2017(Updated: )

A vulnerability in the Multipurpose Internet Mail Extensions (MIME) scanner of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) could allow an unauthenticated, remote attacker to bypass configured user filters on the device, aka a Malformed MIME Header Filtering Bypass. This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for Cisco Email Security Appliances, both virtual and hardware appliances, if the software is configured to apply a message filter or content filter to incoming email attachments. More Information: CSCvb65245. Known Affected Releases: 9.7.1-066. Known Fixed Releases: 9.8.0-092.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco Email Security Appliance	=9.7.1-066

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2017-3818?
CVE-2017-3818 is rated as a high severity vulnerability due to its potential to allow unauthorized access to filtered content.
How do I fix CVE-2017-3818?
To mitigate CVE-2017-3818, upgrade to the latest version of Cisco Email Security Appliance firmware that addresses this vulnerability.
What type of attack can CVE-2017-3818 facilitate?
CVE-2017-3818 can facilitate an attack that allows an unauthenticated remote attacker to bypass user-configured filters on the Cisco Email Security Appliance.
Which Cisco products are affected by CVE-2017-3818?
CVE-2017-3818 specifically affects the Cisco Email Security Appliance running firmware version 9.7.1-066.
Is user authentication required to exploit CVE-2017-3818?
No, CVE-2017-3818 can be exploited by an unauthenticated remote attacker, which increases its risk profile.

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