CVE-2021-1382

Name: CVE-2021-1382
Creator: NVD / NIST
Published: 2021-03-24T20:15:13.353+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.7/10EPSS 0.71%

Last modified Jun 17, 2026

CVE-2021-1382 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. 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. EPSS estimates a 0.71% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.7/10

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.71%

48.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
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

References

https://github.com/orangecertcc/security-research/security/advisories/GHSA-7xfm-92p7-qc57Exploit, Third Party Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xesdwcinj-t68PPW7mVendor Advisory
https://github.com/orangecertcc/security-research/security/advisories/GHSA-7xfm-92p7-qc57Exploit, Third Party Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xesdwcinj-t68PPW7mVendor Advisory

Timeline

Published: Mar 24, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-1382?

How severe is CVE-2021-1382?

CVE-2021-1382 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.71% probability of exploitation in the next 30 days.

How do I fix CVE-2021-1382?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-1382?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST