CVE-2017-6748 Command injection in Cisco Web Security Appliance

Medium 6.7 Published 25 Jul 2017 Updated 5 Aug 2024

Authenticated local attackers can inject commands via the CLI parser to gain root privileges on Cisco Web Security Appliance devices.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2017-6748?

CVE-2017-6748 is a medium-severity command injection vulnerability in Cisco Web Security Appliance, published on 25 Jul 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability in the CLI parser of the Cisco Web Security Appliance (WSA) could allow an authenticated, local attacker to perform command injection and elevate privileges to root. The attacker must authenticate with valid operator-level or administrator-level credentials. Affected Products: virtual and hardware versions of Cisco Web Security Appliance (WSA). More Information: CSCvd88855. Known Affected Releases: 10.1.0-204. Known Fixed Releases: 10.5.1-270 10.1.1-234.

Weakness: CWE-74

Which versions are affected by CVE-2017-6748?

It affects 2 products.

Products include Cisco Web Security Appliance, Cisco Web Security Virtual Appliance.

How do I fix CVE-2017-6748?

No fix has been published for CVE-2017-6748 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2017-6748 being exploited?

There is no known exploitation of CVE-2017-6748 in the wild and no public exploit code.

All Cisco Web Security Appliance vulnerabilities

Sources

Also known as GHSA-r5r7-8mwx-vxq9.