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CVE Record

CVE-2018-0250: A vulnerability in Central Web Authentication (CWA) with FlexConnect Access Points (APs) for Cisco Aironet...

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.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This flaw can let an already-authenticated person near the wireless network bypass a client access list on certain Cisco Aironet access points. The issue is configuration-specific: Central Web Authentication with FlexConnect. Business impact depends on what those ACLs were meant to restrict. Exposure is likely limited to organizations using listed Cisco Aironet 1560, 1810, 1810w, 1815, 1830, 1850, 2800, or 3800 APs with CWA and FlexConnect on vulnerable software. Treat this as a targeted wireless access-control weakness, not an internet-wide emergency. Prioritize sites where FlexConnect ACLs protect sensitive networks or compliance boundaries, then follow Cisco's advisory for remediation. Mitigation focus: Review Cisco's advisory for affected and fixed software guidance.; Inventory affected Aironet AP models and their software releases.; Identify deployments using Central Web Authentication with FlexConnect..

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CVE-2018-0250 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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2Source links

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Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aCisco Aironet Access PointsCisco Aironet Access PointsListed
Weakness

CWE details

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Protection Mechanism Failure

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