High severity8.8NVD Advisory· Published Sep 27, 2023· Updated Jun 17, 2026

CVE-2023-20231

Description

A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to perform an injection attack against an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted input to the web UI. A successful exploit could allow the attacker to execute arbitrary Cisco IOS XE Software CLI commands with level 15 privileges. Note: This vulnerability is exploitable only if the attacker obtains the credentials for a Lobby Ambassador account. This account is not configured by default.

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Affected products

Cisco Systems, Inc./iOS Xr Softwarellm-fuzzy
Cisco Systems, Inc./IOS XE Software for Cisco Merakicpe-rescue
Range: 16.12.8

Patches

Vulnerability mechanics

References

sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webui-cmdij-FzZAeXAynvdVendor Advisory

News mentions

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