CVE-2019-1603 Cisco NX-OS Software Privilege Escalation Vulnerability

High 7.8 Published Updated

An authenticated local attacker can escalate privileges to administrator level on Cisco Nexus switches by exploiting insufficient authorization enforcement in the CLI.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-1603?

CVE-2019-1603 is a high-severity vulnerability in Cisco Nx-Os, published on 8 Mar 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated, local attacker to escalate lower-level privileges to the administrator level. The vulnerability is due to insufficient authorization enforcement. An attacker could exploit this vulnerability by authenticating to the targeted device and executing commands that could lead to elevated privileges. A successful exploit could allow an attacker to make configuration changes to the system as administrator. Nexus 3000 Series Switches are affected in versions prior to 7.0(3)I7(4). Nexus 3500 Platform Switches are affected in versions prior to 7.0(3)I7(4). Nexus 3600 Platform Switches are affected in versions prior to 7.0(3)F3(5). Nexus 9000 Series Switches-Standalone are affected in versions prior to 7.0(3)I7(4). Nexus 9500 R-Series Line Cards and Fabric Modules are affected in versions prior to 7.0(3)F3(5).

Weakness: CWE-863, CWE-285

Which versions are affected by CVE-2019-1603?

It affects 1 product.

Products include Cisco Nx-Os.

How do I fix CVE-2019-1603?

No fix has been published for CVE-2019-1603 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-1603 being exploited?

There is no known exploitation of CVE-2019-1603 in the wild and no public exploit code.

All Cisco Nx-Os vulnerabilities

Sources

Also known as GHSA-rf22-g3mc-fghj.

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