Cisco IOS Software Catalyst 6500 Series 802.1x Authentication Bypass Vulnerability
A vulnerability in 802.1x function of Cisco IOS Software on the Catalyst 6500 Series Switches could allow an unauthenticated, adjacent attacker to access the network prior to authentication. The vulnerability is due to how the 802.1x packets are handled in the process path. An attacker could exploit this vulnerability by attempting to connect to the network on an 802.1x configured port. A successful exploit could allow the attacker to intermittently obtain access to the network. Cisco has released software updates that address this vulnerability. There are workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-c6500 ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-c6500"]
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2019-1758US | medium4.3 | — | ||
A vulnerability in 802.1x function of Cisco IOS Software on the Catalyst 6500 Series Switches could allow an unauthenticated, adjacent attacker to access the network prior to authe… | ||||
references
External citations — patches, advisories, analysis.
remediations (76)
- Fixed12.2(33)SXJ10
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed12.2(33)SXJ6
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed12.2(33)SXJ7
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed12.2(33)SXJ8
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed12.2(33)SXJ9
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(1)SY1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(1)SY2
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(1)SY3
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(1)SY4
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(1)SY5
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(1)SY6
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(2)SY
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(2)SY1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(2)SY10
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(2)SY11
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(2)SY12
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(2)SY13
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(2)SY2
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(2)SY3
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(2)SY4
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(2)SY4a
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(2)SY5
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(2)SY6
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(2)SY7
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(2)SY8
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(2)SY9
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVR1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVR10
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVR2
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVR3
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVS
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVS1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVT1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVT2
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVT3
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVT4
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVU1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVU10
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVU11
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVU2
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVU20
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVU21
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVV1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVV2
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVV3
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVV4
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVW
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVW1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVX
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.1(3)SVX1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.2(1)SY
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.2(1)SY0a
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.2(1)SY1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.2(1)SY1a
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.2(1)SY2
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.2(1)SY3
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.2(1)SY4
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.2(1)SY5
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.2(1)SY6
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.2(1)SY7
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.2(2)SY
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.2(2)SY1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.2(2)SY2
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.2(2)SY3
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.3(0)SY
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.3(1)SY
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.3(1)SY1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.3(1)SY2
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.4(1)SY
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.4(1)SY1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.4(1)SY2
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.4(1)SY3
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.4(1)SY4
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.5(1)SY
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.5(1)SY1
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.5(1)SY2
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.
Free scan