CVE-2017-6671 Security feature bypass in Cisco Email Security Appliance

High 7.5 Published Updated

Unauthenticated remote attackers can bypass configured email filters, such as attachment scanning, on Cisco Email Security Appliances.

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-2017-6671?

CVE-2017-6671 is a high-severity vulnerability in Cisco Email Security Appliance, published on 13 Jun 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in the email message scanning of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass configured filters on the device, as demonstrated by the Attachment Filter. More Information: CSCvd34632. Known Affected Releases: 10.0.1-087 9.7.1-066. Known Fixed Releases: 10.0.2-020 9.8.1-015.

Weakness: CWE-20

Which versions are affected by CVE-2017-6671?

It affects 1 product.

Products include Cisco Email Security Appliance Firmware.

How do I fix CVE-2017-6671?

No fix has been published for CVE-2017-6671 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-6671 being exploited?

There is no known exploitation of CVE-2017-6671 in the wild and no public exploit code.

Sources

Also known as GHSA-m6qj-mxwq-g8c8.

Is CVE-2017-6671 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free