CVE-2019-1606

Cisco NX-OS Software CLI Command Injection Vulnerability (CVE-2019-1606)

HIGH
7.8
CVSS Score
Published: March 8, 2019 at 08:00 PM UTC
Updated: June 17, 2026 at 02:28 AM UTC
4 products affected across 1 vendorNx OSNexus 9000Nexus 3000

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Severity
HIGH7.8
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system of an affected device. The vulnerability is due to insufficient validation of arguments passed to certain CLI commands. An attacker could exploit this vulnerability by including malicious input as the argument of an affected command. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with elevated privileges. An attacker would need valid user credentials to exploit this vulnerability. Nexus 3000, 3500, and Nexus 9000 Series Switches in Standalone NX-OS Mode are affected in versions prior to 7.0(3)I7(4).

Affected

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

7.0(3) ≤ v < 7.0(3)i7(4)7.0(3)i7 ≤ v < 7.0(3)i7(4)
Affected range stops below 7.0(3)i7(4), so it looks safe — our inference, not a vendor statement
cisco-nexus-3000 (environment) · cisco-nexus-3500 (environment) · cisco-nexus-9000 (environment)
v < 7.0(3)I7(4)
Affected range stops below 7.0(3)I7(4), so it looks safe — our inference, not a vendor statement
v < 7.0(3)I7(4)
Affected range stops below 7.0(3)I7(4), so it looks safe — our inference, not a vendor statement
v < 7.0(3)I7(4)
Affected range stops below 7.0(3)I7(4), so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-77CWE-88

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