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CVE-2021-1382

MEDIUM · CVSS 6.0EPSS 0.7%EU EUVD

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.

Key facts

CVSS score
6.0 (v3.1)
Severity
MEDIUM
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Weakness (CWE)
CWE-77
EPSS score
0.7% (53th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2021-6849)
Published
March 24, 2021
NVD last modified
June 17, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2021-6849 in the EU Vulnerability Database. Last updated in EUVD on November 8, 2024.

View on the EU Vulnerability Database

Affected products

  • cisco / ios xe

Certified products that may be affected

21 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

See all 21 in the Security Certifications Explorer.

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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