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CVE-2018-0395

CVE information

Published

5 years ago

Last Modified

11 months ago

CVSSv2.0 Severity

Low

CVSSv3.1 Severity

Medium

Impact Analysis

Description

A vulnerability in the Link Layer Discovery Protocol (LLDP) implementation for Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition when the device unexpectedly reloads. The vulnerability is due to improper input validation of certain type, length, value (TLV) fields of the LLDP frame header. An attacker could exploit this vulnerability by sending a crafted LLDP packet to an interface on the targeted device. A successful exploit could allow the attacker to cause the switch to reload unexpectedly..

CVSSv2.0 Score

Severity
Low
Base Score
2.9/10
Exploit Score
5.5/10
Access Vector
Adjacent_network
Access Complexity
Medium
Authentication Required
None
Impact Score
2.9/10
Confidentiality Impact
None
Availability Impact
Partial
Integrity Impact
None

CVSSv3.1 Score

Severity
Medium
Base Score
5.3/10
Exploit Score
1.6/10
Access Vector
Adjacent_network
Access Complexity
High
Privileges Required
None
Impact Score
3.6/10
Confidentiality Impact
None
Availability Impact
High
Integrity Impact
None
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:o:cisco:nx-os:6.0\(4\):*:*:*:*:*:*:*
  Yes
-
cpe:2.3:o:cisco:nx-os:6.1\(3\)s2:*:*:*:*:*:*:*
  Yes
-
cpe:2.3:h:cisco:nexus_7000_10-slot:-:*:*:*:*:*:*:*
  No
-
cpe:2.3:h:cisco:nexus_7000_18-slot:-:*:*:*:*:*:*:*
  No
-
cpe:2.3:h:cisco:nexus_7000_4-slot:-:*:*:*:*:*:*:*
  No
-
cpe:2.3:h:cisco:nexus_7000_9-slot:-:*:*:*:*:*:*:*
  No
-
cpe:2.3:h:cisco:nexus_7700_10-slot:-:*:*:*:*:*:*:*
  No
-
cpe:2.3:h:cisco:nexus_7700_18-slot:-:*:*:*:*:*:*:*
  No
-
cpe:2.3:h:cisco:nexus_7700_2-slot:-:*:*:*:*:*:*:*
  No
-
cpe:2.3:h:cisco:nexus_7700_6-slot:-:*:*:*:*:*:*:*
  No
-
cpe:2.3:o:cisco:firepower_extensible_operating_system:r231:*
  Yes
-
cpe:2.3:o:cisco:nx-os:r231:*:*:*:*:*:*:*
  Yes
-
cpe:2.3:h:cisco:firepower_9300:-:*:*:*:*:*:*:*
  No
-
cpe:2.3:o:cisco:nx-os:12.3\(1e\):*:*:*:*:*:*:*
  Yes
-
cpe:2.3:h:cisco:firepower_9300:-:*:*:*:*:*:*:*
  No
-
cpe:2.3:o:cisco:nx-os:3.2\(3d\)c:*:*:*:*:*:*:*
  Yes
-
cpe:2.3:h:cisco:ucs:-:*:*:*:*:*:*:*
  No
-