CVE-2019-1603: Cisco NX-OS Software Privilege Escalation Vulnerability
First published: Fri Mar 08 2019(Updated: )
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).
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Nx-os | <7.0\(3\)i7\(4\) | |
| Cisco Nexus 3000 | ||
| Cisco Nexus 3500 | ||
| Cisco Nexus 9000 | ||
| Cisco Nx-os | <7.0\(3\)f3\(5\) | |
| Cisco Nexus 3600 | ||
| Cisco Nexus 9500 |
Remedy
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-privesc
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Reference Links
Frequently Asked Questions
What is CVE-2019-1603?
CVE-2019-1603 is a vulnerability in the CLI of Cisco NX-OS Software that could allow an authenticated local attacker to escalate lower-level privileges to the administrator level.
How can an attacker exploit CVE-2019-1603?
An attacker can exploit CVE-2019-1603 by authenticating to the target device and exploiting insufficient authorization enforcement.
What is the severity rating of CVE-2019-1603?
CVE-2019-1603 has a severity rating of 7.8 (High).
Which software versions are affected by CVE-2019-1603?
Cisco NX-OS Software versions up to 7.0(3)i7(4) and 7.0(3)f3(5) are affected by CVE-2019-1603.
How can I fix CVE-2019-1603?
Updating Cisco NX-OS Software to a version higher than 7.0(3)i7(4) or 7.0(3)f3(5) will fix CVE-2019-1603.
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- canonical/cisco nx-os
- canonical/cisco nexus 3000
- canonical/cisco nexus 3500
- canonical/cisco nexus 9000
- canonical/cisco nexus 3600
- canonical/cisco nexus 9500