CVE-2018-0247 describes an authentication bypass vulnerability in Cisco Wireless LAN Controller (WLC) and Aironet Access Points running Cisco IOS Software, specifically impacting Web Authentication clients under a very particular FlexConnect configuration. An unauthenticated, adjacent attacker could exploit this flaw to bypass authentication and access local network resources. Rated with a CVSSv3 score of 4.7 (Medium), the vulnerability has a low attack complexity and requires adjacent network access (AV:A). While it allows for bypassing authentication and passing traffic (I:L), there is no impact on confidentiality or availability (C:N, A:N). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE. It is not listed in CISA's KEV catalog, and its EPSS score is very low.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
8.3\(104.105\)CPE matchmatch criteria | cpe:2.3:o:cisco:wireless_lan_controller_software:8.3\(104.105\):*:*:*:*:*:*:* | ||
8.3\(104.105\)CPE matchmatch criteria | cpe:2.3:o:cisco:aironet_access_point_software:8.3\(104.105\):*:*:*:*:*:*:* | ||
8.5\(107.52\)CPE matchmatch criteria | cpe:2.3:o:cisco:aironet_access_point_software:8.5\(107.52\):*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
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No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.