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A vulnerability in the IP Version 4 (IPv4) processing code of Cisco IOS XE Software running on Cisco Catalyst 3850 and Cisco Catalyst 3650 Series Switches could allow an unauthenticated, remote attacker to cause high CPU utilization, traceback messages, or a reload of an affected device that leads to a denial of service (DoS) condition. The vulnerability is due to incorrect processing of certain IPv4 packets. An attacker could exploit this vulnerability by sending specific IPv4 packets to an IPv4 address on an affected device. A successful exploit could allow the attacker to cause high CPU utilization, traceback messages, or a reload of the affected device that leads to a DoS condition. If the switch does not reboot when under attack, it would require manual intervention to reload the device. This vulnerability affects Cisco Catalyst 3850 and Cisco Catalyst 3650 Series Switches that are running Cisco IOS XE Software Release 16.1.1 or later, until the first fixed release, and are configured with an IPv4 address. Cisco Bug IDs: CSCvd80714.
Publish Date : 2018-03-28 Last Update Date : 2019-10-09
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CVSS Scores & Vulnerability Types
CVSS Score |
7.8 |
Confidentiality Impact |
None
(There is no impact to the confidentiality of the system.) |
Integrity Impact |
None
(There is no impact to the integrity of the system) |
Availability Impact |
Complete
(There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.) |
Access Complexity |
Low
(Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. ) |
Authentication |
Not required
(Authentication is not required to exploit the vulnerability.) |
Gained Access |
None |
Vulnerability Type(s) |
Denial Of Service |
CWE ID |
CWE id is not defined for this vulnerability |
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Products Affected By CVE-2018-0177
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Number Of Affected Versions By Product
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References For CVE-2018-0177
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Vulnerability Conditions
Vulnerability is valid if product versions listed below are used
TOGETHER WITH(AND) |
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Metasploit Modules Related To CVE-2018-0177
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