Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2018-0331

A vulnerability in the Cisco Discovery Protocol (formerly known as CDP) subsystem of devices running, or based on, Cisco NX-OS Software contain a vulnerability that could allow an unauthenticated, adjacent attacker to create a denial of service (DoS) condition. The vulnerability is due to a failure to properly validate certain fields within a Cisco Discovery Protocol message prior to processing it. An attacker with the ability to submit a Cisco Discovery Protocol message designed to trigger the issue could cause a DoS condition on an affected device while the device restarts. This vulnerability affects Firepower 4100 Series Next-Generation Firewall, Firepower 9300 Security Appliance, MDS 9000 Series Multilayer Director Switches, Nexus 1000V Series Switches, Nexus 1100 Series Cloud Services Platforms, Nexus 2000 Series Switches, Nexus 3000 Series Switches, Nexus 3500 Platform Switches, Nexus 3600 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 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: CSCvc89242, CSCve40943, CSCve40953, CSCve40965, CSCve40970, CSCve40978, CSCve40992, CSCve41000, CSCve41007.

Published

2018-06-21T11:29:00.773

Last Modified

2024-11-21T03:37:59.720

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:A/AC:L/Au:N/C:N/I:N/A:C

  • Access Vector: ADJACENT_NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

6.5

Impact Score

6.9

Weaknesses
  • Type: Secondary
    CWE-399
  • Type: Primary
    CWE-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco nx-os < 7.1\(5\)n1\(1\) Yes
Operating System cisco nx-os < 7.3\(3\)n1\(1\) Yes
Operating System cisco nx-os 6.0 Yes
Operating System cisco nx-os 7.0 Yes
Operating System cisco nx-os 7.2 Yes
Hardware cisco nexus_5000 - No
Hardware cisco nexus_5010 - No
Hardware cisco nexus_5020 - No
Hardware cisco nexus_5548p - No
Hardware cisco nexus_5548up - No
Hardware cisco nexus_5596t - No
Hardware cisco nexus_5596up - No
Hardware cisco nexus_56128p - No
Hardware cisco nexus_5624q - No
Hardware cisco nexus_5648q - No
Hardware cisco nexus_5672up - No
Hardware cisco nexus_5696q - No
Operating System cisco nx-os < 6.2\(20\) Yes
Operating System cisco nx-os < 7.2\(2\)d1\(3\) Yes
Operating System cisco nx-os < 7.3\(2\)d1\(1\) Yes
Operating System cisco nx-os < 8.1\(2\) Yes
Operating System cisco nx-os < 8.2\(1\) Yes
Operating System cisco nx-os 8.0 Yes
Hardware cisco nexus_7000 - No
Hardware cisco nexus_7700 - No
Operating System cisco nx-os < 7.0\(3\)i3 Yes
Operating System cisco nx-os < 7.0\(3\)i7\(1\) Yes
Hardware cisco nexus_92160yc-x - No
Hardware cisco nexus_92304qc - No
Hardware cisco nexus_9236c - No
Hardware cisco nexus_9272q - No
Hardware cisco nexus_93108tc-ex - No
Hardware cisco nexus_93120tx - No
Hardware cisco nexus_93128tx - No
Hardware cisco nexus_93180yc-ex - No
Hardware cisco nexus_9332pq - No
Hardware cisco nexus_9372px - No
Hardware cisco nexus_9372tx - No
Hardware cisco nexus_9396px - No
Hardware cisco nexus_9396tx - No
Hardware cisco nexus_9504 - No
Hardware cisco nexus_9508 - No
Hardware cisco nexus_9516 - No
Hardware cisco nexus_n9k-c9508-fm-r - No
Hardware cisco nexus_n9k-x9636c-r - No
Hardware cisco nexus_n9k-x9636q-r - No
Operating System cisco nx-os < 7.0\(3\)i7\(1\) Yes
Hardware cisco nexus_172tq-xl - No
Hardware cisco nexus_3016 - No
Hardware cisco nexus_3048 - No
Hardware cisco nexus_3064-32t - No
Hardware cisco nexus_3064-t - No
Hardware cisco nexus_3064-x - No
Hardware cisco nexus_3100-v - No
Hardware cisco nexus_31128pq - No
Hardware cisco nexus_3132c-z - No
Hardware cisco nexus_3132q - No
Hardware cisco nexus_3132q-x - No
Hardware cisco nexus_3132q-xl - No
Hardware cisco nexus_3164q - No
Hardware cisco nexus_3172pq - No
Hardware cisco nexus_3172pq-xl - No
Hardware cisco nexus_3172tq - No
Hardware cisco nexus_3172tq-32t - No
Hardware cisco nexus_3232c - No
Hardware cisco nexus_3264c-e - No
Hardware cisco nexus_3264q - No
Hardware cisco nexus_34180yc - No
Hardware cisco nexus_3524-x - No
Hardware cisco nexus_3524-xl - No
Hardware cisco nexus_3548 - No
Hardware cisco nexus_3548-x - No
Hardware cisco nexus_3548-xl - No
Hardware cisco nexus_3636c-r - No
Hardware cisco nexus_c36180yc-r - No
Operating System cisco nx-os < 7.3\(3\)n1\(1\) Yes
Hardware cisco nexus_6001p - No
Hardware cisco nexus_6001t - No
Operating System cisco nx-os < 8.1\(1a\) Yes
Hardware cisco mds_9000 - No
Operating System cisco nx-os < 2.2\(8g\) Yes
Operating System cisco nx-os < 3.1\(2f\) Yes
Hardware cisco ucs_6120xp - No
Hardware cisco ucs_6140xp - No
Hardware cisco ucs_6248up - No
Hardware cisco ucs_6296up - No
Hardware cisco ucs_6324 - No
Hardware cisco ucs_6332 - No
Operating System cisco firepower_extensible_operating_system < 2.0.1.153 Yes
Operating System cisco firepower_extensible_operating_system < 2.1.1.86 Yes
Operating System cisco firepower_extensible_operating_system < 2.2.1.70 Yes
Operating System cisco fxos < 2.2.2.14 Yes
Hardware cisco firepower_4110 - No
Hardware cisco firepower_4120 - No
Hardware cisco firepower_4140 - No
Hardware cisco firepower_4150 - No
Operating System cisco firepower_extensible_operating_system < 2.1.1.86 Yes
Operating System cisco firepower_extensible_operating_system < 2.2.1.70 Yes
Operating System cisco fxos < 2.0.1.152 Yes
Operating System cisco fxos < 2.2.2.14 Yes
Hardware cisco firepower_9300_security_appliance - No
References