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Cisco Aironet 1800, 2800, and 3800 Series Access Points Plug-and-Play Arbitrary Code Execution Vulnerability CVE-2017-3873

Severity
CVSSv3 Score
7.5
Vulnerability description

A vulnerability in the Plug-and-Play (PnP) subsystem of the Cisco Aironet 1800, 2800, and 3800 Series Access Points running a Lightweight Access Point (AP) or Mobility Express image could allow an unauthenticated, adjacent attacker to execute arbitrary code with root privileges.

Risk description

The vulnerability is due to insufficient validation of PnP server responses. The PnP feature is only active while the device does not contain a configuration, such as a first time boot or after a factory reset has been issued. An attacker with the ability to respond to PnP configuration requests from the affected device can exploit the vulnerability by returning malicious PnP responses. If a Cisco Application Policy Infrastructure Controller - Enterprise Module (APIC-EM) is available on the network, the attacker would need to exploit the issue in the short window before a valid PnP response was received. If successful, the attacker could gain the ability to execute arbitrary code with root privileges on the underlying operating system of the device.

Recommendation

Update to version 8.3.112.0 or later.

Codename
Not available
Detectable with
Network Scanner
Scan engine
OpenVAS
Exploitable with Sniper
No
CVE Published
May 16, 2017
Detection added at
Software Type
Not available
Vendor
Not available
Product
Not available