Cisco Aironet 3800 8.5.100.0 Central Web Authentication protection mechanism

Summaryinfo

A vulnerability described as critical has been identified in Cisco Aironet 1560, Aironet 1810, Aironet 1810w, Aironet 1815, Aironet 1830, Aironet 1850, Aironet 2800 and Aironet 3800 8.5.100.0. This affects an unknown function of the component Central Web Authentication. Such manipulation leads to protection mechanism. This vulnerability is referenced as CVE-2018-0250. The attack needs to be initiated within the local network. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cisco Aironet 1560, Aironet 1810, Aironet 1810w, Aironet 1815, Aironet 1830, Aironet 1850, Aironet 2800 and Aironet 3800 8.5.100.0 (Wireless LAN Software). Affected by this issue is an unknown code block of the component Central Web Authentication. The manipulation with an unknown input leads to a protection mechanism vulnerability. Using CWE to declare the problem leads to CWE-693. The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The bug was discovered 05/02/2018. The weakness was published 05/02/2018 as cisco-sa-20180502-ap-acl as confirmed advisory (Website). The advisory is available at tools.cisco.com. This vulnerability is handled as CVE-2018-0250 since 11/27/2017. Access to the local network is required for this attack. The requirement for exploitation is a simple authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 03/08/2023).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Wireless LAN Software

Vendor

• Cisco

Name

• Aironet 1560
• Aironet 1810
• Aironet 1810w
• Aironet 1815
• Aironet 1830
• Aironet 1850
• Aironet 2800
• Aironet 3800

Version

• 8.5.100.0

License

• commercial

Website

• Vendor: https://www.cisco.com/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion