Vulnerability Monitor

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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 error-log message, aka Bug ID CSCuy87667.

Published

2016-10-05T20:59:07.853

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:C

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

8.6

Impact Score

6.9

Weaknesses

Type: Primary
CWE-399

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	cisco	ios	≤ 12.4	Yes
Operating System	cisco	ios	≤ 15.6	Yes
Operating System	cisco	ios_xe	≤ 3.18.0	Yes
Operating System	cisco	ios_xe	16.2	Yes

References

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-aaados Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/93196 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1036914 Third Party Advisory, VDB Entry ([email protected])
https://ics-cert.us-cert.gov/advisories/ICSA-16-287-04 Third Party Advisory, US Government Resource ([email protected])
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-aaados Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/93196 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1036914 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://ics-cert.us-cert.gov/advisories/ICSA-16-287-04 Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)