CVE-2021-1382: Cisco IOS XE SD-WAN Software Command Injection Vulnerability
First published: Wed Mar 24 2021(Updated: )
A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to inject arbitrary commands to be executed with root privileges on the underlying operating system. This vulnerability is due to insufficient input validation on certain CLI commands. An attacker could exploit this vulnerability by authenticating to the device and submitting crafted input to the CLI. The attacker must be authenticated as an administrative user to execute the affected commands. A successful exploit could allow the attacker to execute commands with root privileges.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS XE | <17.3.3 | |
| Cisco IOS XE | >=17.4.1<=17.4.2 | |
| Cisco IOS XE | >=17.5.0<17.5.1a | |
| Cisco IOS XE | >=17.6.0<17.6.1a |
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Reference Links
Frequently Asked Questions
What is the title of CVE-2021-1382?
A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated local attack…
What is the description of CVE-2021-1382?
A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to inject arbitrary commands to be executed with root privileges on the underlying operating system. This vulnerability is due to insufficient input validation on certain CLI commands. An attacker…
What is the severity of CVE-2021-1382?
The severity of CVE-2021-1382 is high.
Which software is affected by CVE-2021-1382?
Cisco IOS XE SD-WAN Software versions 17.3.3, 17.4.1 to 17.4.2, 17.5.0 to 17.5.1a, and 17.6.0 to 17.6.1a are affected by CVE-2021-1382.
What are the Common Weakness Enumeration (CWE) IDs associated with CVE-2021-1382?
The CWE IDs associated with CVE-2021-1382 are CWE-20, CWE-77, and CWE-78.
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