CVE-2016-6393

moderate-risk
Published 2016-10-05

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.

Do I need to act?

~
9.1% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (3)

Ios

Affected Vendors

Cisco

References (8)

Vendor Advisory http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20...
Third Party Advisory http://www.securityfocus.com/bid/93196
Third Party Advisory http://www.securitytracker.com/id/1036914
Third Party Advisory https://ics-cert.us-cert.gov/advisories/ICSA-16-287-04
Vendor Advisory http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20...
Third Party Advisory http://www.securityfocus.com/bid/93196
Third Party Advisory http://www.securitytracker.com/id/1036914
Third Party Advisory https://ics-cert.us-cert.gov/advisories/ICSA-16-287-04
45
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 10/34 · Low
Exposure 9/34 · Low