PT-2018-8649 · Cisco · Cisco Ios

Published 2018-03-28 · Updated 2021-04-28 · CVE-2018-0163

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions: Cisco IOS Software (affected versions not specified)

Description: A logic change error in the 802.1x multiple-authentication feature could allow an unauthenticated, adjacent attacker to bypass authentication on an 802.1x multi-auth port. An attacker could exploit this by trying to access the port after a successful supplicant has authenticated, potentially bypassing 802.1x access controls and obtaining network access.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2018-0163

Affected Products

Cisco Ios

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2018-0163 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-dot1x · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-0163 · Vendor Advisory
• http://securityfocus.com/bid/103571 · Note