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
77.8%
A vulnerability in the implementation of Network Address Translation (NAT) functionality in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload.
The vulnerability is due to improper handling of malformed ICMP packets by the affected software. An attacker could exploit this vulnerability by sending crafted ICMP packets that require NAT processing by an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
This advisory is part of the September 28, 2016, release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication, which includes 10 Cisco Security Advisories that describe 11 vulnerabilities. All the vulnerabilities have a Security Impact Rating of “High.” For a complete list of the advisories and links to them, see Cisco Event Response: September 2016 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication[“https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-56513”].
Vendor | Product | Version | CPE |
---|---|---|---|
cisco | cisco_ios | 3.7s | cpe:2.3:o:cisco:cisco_ios:3.7s:xe:*:*:*:*:*:* |
cisco | cisco_ios | 3.8s | cpe:2.3:o:cisco:cisco_ios:3.8s:xe:*:*:*:*:*:* |
cisco | cisco_ios | 3.9s | cpe:2.3:o:cisco:cisco_ios:3.9s:xe:*:*:*:*:*:* |
cisco | cisco_ios | 3.10s | cpe:2.3:o:cisco:cisco_ios:3.10s:xe:*:*:*:*:*:* |
cisco | cisco_ios | 3.11s | cpe:2.3:o:cisco:cisco_ios:3.11s:xe:*:*:*:*:*:* |
cisco | cisco_ios | 3.12s | cpe:2.3:o:cisco:cisco_ios:3.12s:xe:*:*:*:*:*:* |
cisco | cisco_ios | 3.13s | cpe:2.3:o:cisco:cisco_ios:3.13s:xe:*:*:*:*:*:* |
cisco | cisco_ios | 3.14s | cpe:2.3:o:cisco:cisco_ios:3.14s:xe:*:*:*:*:*:* |
cisco | cisco_ios | 3.15s | cpe:2.3:o:cisco:cisco_ios:3.15s:xe:*:*:*:*:*:* |
cisco | cisco_ios | 3.16s | cpe:2.3:o:cisco:cisco_ios:3.16s:xe:*:*:*:*:*:* |
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
77.8%