CVE-2016-6463 Security feature bypass in Cisco AsyncOS 9.7.1-066 through 10.0.0-082

What is CVE-2016-6463?

CVE-2016-6463 is a medium-severity vulnerability in Cisco AsyncOS 9.7.1-066 through 10.0.0-082, published on 19 Nov 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in the email filtering functionality of Cisco AsyncOS Software for Cisco Email Security Appliances could allow an unauthenticated, remote attacker to bypass Advanced Malware Protection (AMP) filters that are configured for an affected device. This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for both virtual and hardware versions of Cisco Email Security Appliances, if the AMP feature is configured to scan incoming email attachments. More Information: CSCuz85823. Known Affected Releases: 10.0.0-082 9.7.0-125 9.7.1-066. Known Fixed Releases: 10.0.0-203 9.7.2-131.

Weakness: CWE-20

Which versions are affected by CVE-2016-6463?

It affects 1 product.

Products include Cisco Email Security Appliance Firmware.

How do I fix CVE-2016-6463?

No fix has been published for CVE-2016-6463 yet. Limit exposure of the affected software until one is available.

Is CVE-2016-6463 being exploited?

There is no known exploitation of CVE-2016-6463 in the wild and no public exploit code.

Other vulnerabilities in Cisco AsyncOS 9.7.1-066 through 10.0.0-082

• CVE-2016-6406 Auth bypass in n/a Critical 9.8
• CVE-2018-15453 Cisco Email Security Appliance Memory Corruption Denial of Service Vulnerability High 8.6
• CVE-2017-6671 Security feature bypass in Cisco Email Security Appliance High 7.5
• CVE-2016-6458 Security feature bypass in Cisco AsyncOS 10.0.0-125 and 9.7.1-066 High 7.5
• CVE-2019-12706 Cisco Email Security Appliance Filter Bypass Vulnerability Medium 6.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-q66r-5p58-mh9q.