CVE-2018-0250
First published: Wed May 02 2018(Updated: )
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.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Aironet Access Point Software | =8.2\(160.0\) | |
| Cisco Aironet Access Point Software | =8.4\(100.0\) | |
| Cisco Aironet Access Point Software | =8.7\(1.3\) |
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Reference Links
Frequently Asked Questions
What is CVE-2018-0250?
CVE-2018-0250 is a vulnerability in Central Web Authentication (CWA) with FlexConnect Access Points (APs) for Cisco Aironet series APs.
How can an attacker exploit CVE-2018-0250?
An authenticated, adjacent attacker can exploit CVE-2018-0250 to bypass a configured FlexConnect access control list (ACL).
What is the severity of CVE-2018-0250?
CVE-2018-0250 has a severity rating of 4.1 (Medium).
Which software versions are affected by CVE-2018-0250?
CVE-2018-0250 affects Cisco Aironet Access Point Software versions 8.2(160.0), 8.4(100.0), and 8.7(1.3).
How can I fix CVE-2018-0250?
Refer to the Cisco Security Advisory to apply the necessary updates and mitigations for CVE-2018-0250.
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- agent/references
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- canonical/cisco aironet access point software
- version/cisco aironet access point software/8.2\(160.0\)
- version/cisco aironet access point software/8.4\(100.0\)
- version/cisco aironet access point software/8.7\(1.3\)