First published: Wed Apr 17 2019(Updated: )
A vulnerability in the development shell (devshell) authentication for Cisco Aironet Series Access Points (APs) running the Cisco AP-COS operating system could allow an authenticated, local attacker to access the development shell without proper authentication, which allows for root access to the underlying Linux OS. The attacker would need valid device credentials. The vulnerability exists because the software improperly validates user-supplied input at the CLI authentication prompt for development shell access. An attacker could exploit this vulnerability by authenticating to the device and entering crafted input at the CLI. A successful exploit could allow the attacker to access the AP development shell without proper authentication, which allows for root access to the underlying Linux OS. Software versions prior to 8.3.150.0, 8.5.135.0, and 8.8.100.0 are affected.
Credit: ykramarz@cisco.com
Affected Software | Affected Version | How to fix |
---|---|---|
Cisco AP-COS | <8.3.150.0 | |
Cisco AP-COS | >=8.4.100.0<8.5.135.0 | |
Cisco AP-COS | >=8.5.140.0<8.8.100.0 | |
Cisco Aironet 1540 | ||
Cisco Aironet 1560 | ||
Cisco Aironet 1800 | ||
Cisco Aironet 2800 | ||
Cisco Aironet 3800 |
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CVE-2019-1654 is a vulnerability in the development shell (devshell) authentication for Cisco Aironet Series Access Points.
CVE-2019-1654 has a severity rating of 7.8 (high).
CVE-2019-1654 affects Cisco AP-COS versions 8.3.150.0 up to 8.8.100.0.
An authenticated, local attacker can exploit CVE-2019-1654 by accessing the development shell without proper authentication, leading to root access.
You can find more information about CVE-2019-1654 at the following references: [SecurityFocus](http://www.securityfocus.com/bid/107991) and [Cisco Security Advisory](https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190417-aironet-shell).