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CVE-2018-0305

CVE information

Published

5 years ago

Last Modified

4 years ago

CVSSv2.0 Severity

Medium

CVSSv3.1 Severity

High

Impact Analysis

Description

A vulnerability in the Cisco Fabric Services component of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on the affected device. The vulnerability exists because the affected software insufficiently validates Cisco Fabric Services packets. An attacker could exploit this vulnerability by sending a crafted Cisco Fabric Services packet to an affected device. A successful exploit could allow the attacker to force a NULL pointer dereference and cause a DoS condition. This vulnerability affects the following if configured to use Cisco Fabric Services: Firepower 4100 Series Next-Generation Firewalls, Firepower 9300 Security Appliance, MDS 9000 Series Multilayer Switches, Nexus 2000 Series Fabric Extenders, Nexus 3000 Series Switches, Nexus 3500 Platform Switches, Nexus 5500 Platform Switches, Nexus 5600 Platform Switches, Nexus 6000 Series Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Nexus 9000 Series Switches in standalone NX-OS mode, Nexus 9500 R-Series Line Cards and Fabric Modules, UCS 6100 Series Fabric Interconnects, UCS 6200 Series Fabric Interconnects, UCS 6300 Series Fabric Interconnects. Cisco Bug IDs: CSCvd69966, CSCve02435, CSCve04859, CSCve41590, CSCve41593, CSCve41601..

CVSSv2.0 Score

Severity
Medium
Base Score
5/10
Exploit Score
10/10
Access Vector
Network
Access Complexity
Low
Authentication Required
None
Impact Score
2.9/10
Confidentiality Impact
None
Availability Impact
Partial
Integrity Impact
None

CVSSv3.1 Score

Severity
High
Base Score
8.6/10
Exploit Score
3.9/10
Access Vector
Network
Access Complexity
Low
Privileges Required
None
Impact Score
4/10
Confidentiality Impact
None
Availability Impact
High
Integrity Impact
None
Scope
Changed
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:o:cisco:nexus_7000_firmware:8.0\(1\):*:*:*:*:*:*:*
  Yes
-
cpe:2.3:h:cisco:nexus_7000:-:*:*:*:*:*:*:*
  No
-
cpe:2.3:o:cisco:nexus_5000_firmware:7.0\(0\)hsk\(0.357\):*:*
  Yes
-
cpe:2.3:o:cisco:nexus_5000_firmware:8.1\(0.2\)s0:*:*:*:*:*:*
  Yes
-
cpe:2.3:o:cisco:nexus_5000_firmware:8.8\(0.1\):*:*:*:*:*:*:*
  Yes
-
cpe:2.3:h:cisco:nexus_5000:-:*:*:*:*:*:*:*
  No
-
cpe:2.3:o:cisco:firepower_9000_firmware:r211:*:*:*:*:*:*:*
  Yes
-
cpe:2.3:o:cisco:firepower_9000_firmware:r231:*:*:*:*:*:*:*
  Yes
-
cpe:2.3:h:cisco:firepower_9000:-:*:*:*:*:*:*:*
  No
-
cpe:2.3:o:cisco:nexus_9000_firmware:8.1\(0\)bd\(0.20\):*:*:*
  Yes
-
cpe:2.3:o:cisco:nexus_9000_firmware:8.1\(1\)s5:*:*:*:*:*:*:*
  Yes
-
cpe:2.3:h:cisco:nexus_9000:-:*:*:*:*:*:*:*
  No
-
cpe:2.3:o:cisco:unified_computing_system_firmware:3.1\(3a\)a
  Yes
-
cpe:2.3:o:cisco:unified_computing_system_firmware:7.0\(0\)hs
  Yes
-
cpe:2.3:h:cisco:unified_computing_system:-:*:*:*:*:*:*:*
  No
-