RCE in Cisco iOS Xe Software

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 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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.007 (49.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-1382?
CVE-2021-1382 is a medium-severity vulnerability in Cisco iOS Xe Software, classified under Command Injection. CVSS score: 6.0/10. Published 2021-03-24.
How severe is CVE-2021-1382?
Medium severity. CVSS v3 base score is 6.0 out of 10.