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Δ / VULNERABILITY RECORD

CVE-2021-1432.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSHIGH / 7.3CVSS 3.1 · nvd@nist.gov
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSAnalyzedModified Oct 07, 2026

Disclosure summary

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system as the root user. The attacker must be authenticated on the affected device as a low-privileged user to exploit this vulnerability. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by injecting arbitrary commands to a file as a lower-privileged user. The commands are then executed on the device by the root user. A successful exploit could allow the attacker to execute arbitrary commands as the root user.

Source-reported weakness categories

CWE-20, CWE-74

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

NIST National Vulnerability Database · NVD-CVE-2021-1432

Open original source · Updated Oct 07, 2026

Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.

VendorProduct / associationVersion / bounds
ciscoios_xe3.15.1xbs
ciscoios_xe3.15.2xbs
ciscoios_xe16.12.1
ciscoios_xe16.12.1a
ciscoios_xe16.12.1c
ciscoios_xe16.12.1s
ciscoios_xe16.12.1t
ciscoios_xe16.12.1w
ciscoios_xe16.12.1x
ciscoios_xe16.12.1y
ciscoios_xe16.12.1z
ciscoios_xe16.12.1za
ciscoios_xe16.12.2
ciscoios_xe16.12.2a
ciscoios_xe16.12.2s
ciscoios_xe16.12.2t
ciscoios_xe16.12.3
ciscoios_xe16.12.3a
ciscoios_xe16.12.3s
ciscoios_xe16.12.4
ciscoios_xe16.12.4a
ciscoios_xe17.2.1
ciscoios_xe17.2.1a
ciscoios_xe17.2.1r
ciscoios_xe17.2.1v
ciscoios_xe_sd-wan-

Original records & references

PUBLISHED 2021-03-24T16:15:14-04:00
MODIFIED 2026-10-07T06:52:45-04:00
INGESTED 2026-10-08T12:30:35-04:00