CVE-2018-0306

HIGH

7.8

CVSS Score

Published: June 21, 2018 at 11:00 AM UTC

Updated: June 17, 2026 at 01:30 AM UTC

89 products affected across 1 vendorNx OSNexus 9508Nexus 93120Tx

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Severity

HIGH7.8

Exploit prediction

EPSS 0.6%

SSVC

No known exploit

Description

A vulnerability in the CLI parser of Cisco NX-OS Software could allow an authenticated, local attacker to perform a command-injection attack on an affected device. The vulnerability is due to insufficient input validation of command arguments. An attacker could exploit this vulnerability by injecting malicious command arguments into a vulnerable CLI command. A successful exploit could allow the attacker to execute arbitrary commands with root privileges on the affected device. Note: This vulnerability requires that any feature license is uploaded to the device. The vulnerability does not require that the license be used. This vulnerability affects MDS 9000 Series Multilayer Switches, Nexus 1000V Series Switches, Nexus 1100 Series Cloud Services Platforms, Nexus 2000 Series Fabric Extenders, 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 standalone NX-OS mode, Nexus 9500 R-Series Line Cards and Fabric Modules. Cisco Bug IDs: CSCve51693, CSCve91634, CSCve91659, CSCve91663.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Nx OS · Cisconpm

95%

v < 5.2(1)sv3(3.15)v < 7.3(3)n1(1)v < 8.1(1a)6.0(2)a8(3)8.1(0)bd(0.20)8.1(0.2)s0 8.1(0.59)s0 8.1(1)

Affected range stops below 5.2(1)sv3(3.15), so it looks safe — our inference, not a vendor statement

Affected range stops below 7.3(3)n1(1), so it looks safe — our inference, not a vendor statement

Affected range stops below 8.1(1a), so it looks safe — our inference, not a vendor statement

cisco-mds-9132t (environment) · cisco-mds-9148 (environment) · cisco-mds-9148s (environment) · cisco-mds-9148t (environment) · cisco-mds-9222i (environment) · cisco-mds-9250i (environment) · cisco-mds-9396s (environment) · cisco-mds-9396t (environment) · cisco-mds-9506 (environment) · cisco-mds-9509 (environment) · cisco-mds-9513 (environment) · cisco-mds-9706 (environment) · cisco-mds-9710 (environment) · cisco-mds-9718 (environment) · cisco-nexus-1000v (environment) · cisco-nexus-1110-s (environment) · cisco-nexus-1110-x (environment) · cisco-nexus-172tq-xl (environment) · cisco-nexus-2148t (environment) · cisco-nexus-2224tp-ge (environment) · cisco-nexus-2232pp-10ge (environment) · cisco-nexus-2232tm-10ge (environment) · cisco-nexus-2232tm-e-10ge (environment) · cisco-nexus-2248pq-10ge (environment) · cisco-nexus-2248tp-e (environment) · cisco-nexus-2248tp-ge (environment) · cisco-nexus-3016 (environment) · cisco-nexus-3048 (environment) · cisco-nexus-3064-32t (environment) · cisco-nexus-3064-t (environment) · cisco-nexus-3064-x (environment) · cisco-nexus-3100-v (environment) · cisco-nexus-31128pq (environment) · cisco-nexus-3132c-z (environment) · cisco-nexus-3132q (environment) · cisco-nexus-3132q-x (environment) · cisco-nexus-3132q-xl (environment) · cisco-nexus-3164q (environment) · cisco-nexus-3172pq (environment) · cisco-nexus-3172pq-xl (environment) · cisco-nexus-3172tq (environment) · cisco-nexus-3172tq-32t (environment) · cisco-nexus-3232c (environment) · cisco-nexus-3264c-e (environment) · cisco-nexus-3264q (environment) · cisco-nexus-34180yc (environment) · cisco-nexus-3524-x (environment) · cisco-nexus-3524-xl (environment) · cisco-nexus-3548 (environment) · cisco-nexus-3548-x (environment) · cisco-nexus-3548-xl (environment) · cisco-nexus-3636c-r (environment) · cisco-nexus-5000 (environment) · cisco-nexus-5010 (environment) · cisco-nexus-5020 (environment) · cisco-nexus-5548p (environment) · cisco-nexus-5548up (environment) · cisco-nexus-5596t (environment) · cisco-nexus-5596up (environment) · cisco-nexus-56128p (environment) · cisco-nexus-5624q (environment) · cisco-nexus-5648q (environment) · cisco-nexus-5672up (environment) · cisco-nexus-5696q (environment) · cisco-nexus-6001p (environment) · cisco-nexus-6001t (environment) · cisco-nexus-7000 (environment) · cisco-nexus-7700 (environment) · cisco-nexus-92160yc-x (environment) · cisco-nexus-92304qc (environment) · cisco-nexus-9236c (environment) · cisco-nexus-9272q (environment) · cisco-nexus-93108tc-ex (environment) · cisco-nexus-93120tx (environment) · cisco-nexus-93128tx (environment) · cisco-nexus-93180yc-ex (environment) · cisco-nexus-9332pq (environment) · cisco-nexus-9372px (environment) · cisco-nexus-9372tx (environment) · cisco-nexus-9396px (environment) · cisco-nexus-9396tx (environment) · cisco-nexus-9504 (environment) · cisco-nexus-9508 (environment) · cisco-nexus-9516 (environment) · cisco-nexus-c36180yc-r (environment) · cisco-nexus-n9k-c9508-fm-r (environment) · cisco-nexus-n9k-x9636c-r (environment) · cisco-nexus-n9k-x9636q-r (environment)

Mds 9132T · Ciscodevice

80%

All versions

Mds 9148 · Ciscodevice

80%

All versions

Mds 9148S · Ciscodevice

80%

All versions

Mds 9148T · Ciscodevice

80%

All versions