CVE-2017-3800 Security feature bypass in Cisco AsyncOS

Medium 5.8 Published 26 Jan 2017 Updated 5 Aug 2024

Unauthenticated remote attackers can bypass configured message or content filters on Cisco Email Security Appliances if filters are applied to incoming attachments.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2017-3800?

CVE-2017-3800 is a medium-severity vulnerability in Cisco Email Security Appliance, published on 26 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in the content scanning engine of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) could allow an unauthenticated, remote attacker to bypass configured message or content filters on the device. Affected Products: 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. The vulnerability is not limited to any specific rules or actions for a message filter or content filter. More Information: CSCuz16076. Known Affected Releases: 9.7.1-066 9.7.1-HP2-207 9.8.5-085. Known Fixed Releases: 10.0.1-083 10.0.1-087.

Weakness: CWE-20

Which versions are affected by CVE-2017-3800?

It affects 1 product.

Products include Cisco Email Security Appliance.

How do I fix CVE-2017-3800?

No fix has been published for CVE-2017-3800 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-3800 being exploited?

There is no known exploitation of CVE-2017-3800 in the wild and no public exploit code.

All Cisco Email Security Appliance vulnerabilities

Sources

Also known as GHSA-79x7-9p27-9hg6.