Vulnerability Description
The AAA service in Cisco IOS 12.0 through 12.4 and 15.0 through 15.6 and IOS XE 2.1 through 3.18 and 16.2 allows remote attackers to cause a denial of service (device reload) via a failed SSH connection attempt that is mishandled during generation of an error-log message, aka Bug ID CSCuy87667.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Ios | >= 12.0, <= 12.4 |
| Cisco | Ios Xe | >= 2.1.0, <= 3.18.0 |
Related Weaknesses (CWE)
References
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20Vendor Advisory
- http://www.securityfocus.com/bid/93196Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1036914Third Party AdvisoryVDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-16-287-04Third Party AdvisoryUS Government Resource
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20Vendor Advisory
- http://www.securityfocus.com/bid/93196Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1036914Third Party AdvisoryVDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-16-287-04Third Party AdvisoryUS Government Resource
FAQ
What is CVE-2016-6393?
CVE-2016-6393 is a vulnerability with a CVSS score of 7.5 (HIGH). The AAA service in Cisco IOS 12.0 through 12.4 and 15.0 through 15.6 and IOS XE 2.1 through 3.18 and 16.2 allows remote attackers to cause a denial of service (device reload) via a failed SSH connecti...
How severe is CVE-2016-6393?
CVE-2016-6393 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-6393?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios, Cisco Ios Xe.