CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
69.1%
The Smart Install client feature in Cisco IOS and IOS XE Software contains a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
The vulnerability is due to incorrect handling of image list parameters. An attacker could exploit this vulnerability by sending crafted Smart Install packets to TCP port 4786. A successful exploit could cause a Cisco Catalyst switch to reload, resulting in a DoS condition.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability other than disabling Smart Install functionality on the vulnerable device.
This advisory is available at the following link:
This advisory is part of the March 23, 2016, release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication, which includes six Cisco Security Advisories that describe six vulnerabilities. All the vulnerabilities have a Security Impact Rating of “High.” For a complete list of advisories and links to them, see Cisco Event Response: Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication[“http://www.cisco.com/c/en/us/about/security-center/event-response/cisco-erp-march-2016.html”].
Vendor | Product | Version | CPE |
---|---|---|---|
cisco | ios | 12.2se | cpe:2.3:o:cisco:ios:12.2se:*:*:*:*:*:*:* |
cisco | ios | 12.2ex | cpe:2.3:o:cisco:ios:12.2ex:*:*:*:*:*:*:* |
cisco | ios | 12.2ey | cpe:2.3:o:cisco:ios:12.2ey:*:*:*:*:*:*:* |
cisco | ios | 12.2ez | cpe:2.3:o:cisco:ios:12.2ez:*:*:*:*:*:*:* |
cisco | ios | 15.0ey | cpe:2.3:o:cisco:ios:15.0ey:*:*:*:*:*:*:* |
cisco | ios | 15.0se | cpe:2.3:o:cisco:ios:15.0se:*:*:*:*:*:*:* |
cisco | ios | 15.1sg | cpe:2.3:o:cisco:ios:15.1sg:*:*:*:*:*:*:* |
cisco | ios | 15.0ex | cpe:2.3:o:cisco:ios:15.0ex:*:*:*:*:*:*:* |
cisco | ios | 15.0ea | cpe:2.3:o:cisco:ios:15.0ea:*:*:*:*:*:*:* |
cisco | ios | 15.2e | cpe:2.3:o:cisco:ios:15.2e:*:*:*:*:*:*:* |
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
69.1%