Detections
Analytics
Cisco IOS Software Catalyst 6500 Series 802.1x Authentication Bypass (cisco-sa-20190327-c6500)
medium Nessus Plugin ID 134951
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Synopsis
The remote device is missing a vendor-supplied security patchDescription
According to its self-reported version, Cisco IOS Software is affected by a vulnerability in the 802.1x function on Catalyst 6500 Series Switches due to how the 802.1x packets are handled in the process path. An unauthenticated, adjacent attacker can exploit this, by attempting to connect to the network on an 802.1x configured port, in order to intermittently obtain access to the network.Solution
Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvk25074See Also
Plugin Details
Severity: Medium
ID: 134951
File Name: cisco-sa-20190327-ios-c6500.nasl
Version: 1.8
Type: combined
Family: CISCO
Published: 3/27/2020
Updated: 1/14/2021
Configuration: Enable paranoid mode
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Low
Score: 1.4
CVSS v2
Risk Factor: Low
Base Score: 3.3
Temporal Score: 2.4
Vector: CVSS2#AV:A/AC:L/Au:N/C:N/I:P/A:N
CVSS Score Source: CVE-2019-1758
CVSS v3
Risk Factor: Medium
Base Score: 4.3
Temporal Score: 3.8
Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:cisco:ios
Required KB Items: Settings/ParanoidReport, Host/Cisco/IOS/Version
Exploit Ease: No known exploits are available
Patch Publication Date: 3/27/2019
Vulnerability Publication Date: 3/27/2019
Reference Information
CVE: CVE-2019-1758