CVE-2018-0250 Security feature bypass in Cisco Aironet Access Points
An authenticated adjacent attacker can bypass FlexConnect ACLs on Cisco Aironet Access Points using Central Web Authentication.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-0250?
CVE-2018-0250 is a medium-severity vulnerability in Cisco Aironet Access Points, published on 2 May 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability in Central Web Authentication (CWA) with FlexConnect Access Points (APs) for Cisco Aironet 1560, 1810, 1810w, 1815, 1830, 1850, 2800, and 3800 Series APs could allow an authenticated, adjacent attacker to bypass a configured FlexConnect access control list (ACL). The vulnerability is due to the AP ignoring the ACL download from the client during authentication. An attacker could exploit this vulnerability by connecting to the targeted device with a vulnerable configuration. A successful exploit could allow the attacker to bypass a configured client FlexConnect ACL. This vulnerability affects the following Cisco products if they are running a vulnerable release of Central Web Authentication with FlexConnect Access Points Software: Aironet 1560 Series Access Points, Aironet 1810 Series OfficeExtend Access Points, Aironet 1810w Series Access Points, Aironet 1815 Series Access Points, Aironet 1830 Series Access Points, Aironet 1850 Series Access Points, Aironet 2800 Series Access Points, Aironet 3800 Series Access Points. Note: Central Web Authentication with FlexConnect Access Points was an unsupported configuration until 8.5.100.0. Cisco Bug IDs: CSCve17756.
Weakness: CWE-693
Which versions are affected by CVE-2018-0250?
It affects 1 product.
Products include Cisco Aironet Access Point Software.
How do I fix CVE-2018-0250?
No fix has been published for CVE-2018-0250 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-0250 being exploited?
There is no known exploitation of CVE-2018-0250 in the wild and no public exploit code.
Other vulnerabilities in Cisco Aironet Access Points
- CVE-2017-3831 Auth bypass in Cisco Mobility Express 1800 Access Point Series
- CVE-2022-20622 Cisco Embedded Wireless Controller with Catalyst Access Points IP Flood Denial of Service Vulnerability
- CVE-2018-0234 Denial of service in Cisco Aironet 1810, 1830, and 1850 Series Access Points
- CVE-2016-1419 Denial of service in n/a
- CVE-2016-6362 Privilege escalation in n/a
Sources
Also known as GHSA-wq5x-gxqv-3rgf.