CVE-2016-6393
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.60%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 4.60% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- cisco/ios · cisco/ios xe
- Source
- psirt@cisco.com
References
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-aaadosVendor Advisory
- http://www.securityfocus.com/bid/93196Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036914Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-16-287-04Third Party Advisory, US Government Resource
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-aaadosVendor Advisory
- http://www.securityfocus.com/bid/93196Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036914Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-16-287-04Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.