The VTY authentication implementation in Cisco IOS XE 03.02.xxSE and 03.03.xxSE incorrectly relies on the Linux-IOS internal-network configuration, which allows remote attackers to bypass authentication by leveraging access to a 192.168.x.2 source IP address, aka Bug ID CSCuj90227.
Weakness
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ios_xe | Cisco | - (including) | - (including) |
Potential Mitigations
Related Attack Patterns
- https://cwe.mitre.org/data/definitions/114.html
- https://cwe.mitre.org/data/definitions/115.html
- https://cwe.mitre.org/data/definitions/151.html
- https://cwe.mitre.org/data/definitions/194.html
- https://cwe.mitre.org/data/definitions/22.html
- https://cwe.mitre.org/data/definitions/57.html
- https://cwe.mitre.org/data/definitions/593.html
- https://cwe.mitre.org/data/definitions/633.html
- https://cwe.mitre.org/data/definitions/650.html
- https://cwe.mitre.org/data/definitions/94.html
References
- http://osvdb.org/101351
- http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6979
- http://www.securityfocus.com/bid/64502
- http://www.securitytracker.com/id/1029537
- https://exchange.xforce.ibmcloud.com/vulnerabilities/89901
- http://osvdb.org/101351
- http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6979
- http://www.securityfocus.com/bid/64502
- http://www.securitytracker.com/id/1029537
- https://exchange.xforce.ibmcloud.com/vulnerabilities/89901