CVE-2023-20273

high

Description

A vulnerability in the web UI feature of Cisco IOS XE Software could allow an authenticated, remote attacker to inject commands with the privileges of root. 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 inject commands to the underlying operating system with root privileges.

References

https://www.bleepingcomputer.com/news/security/cisco-discloses-new-ios-xe-zero-day-exploited-to-deploy-malware-implant/

https://www.tenable.com/blog/cve-2023-20198-zero-day-vulnerability-in-cisco-ios-xe-exploited-in-the-wild

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-webui-privesc-j22SaA4z

Details

Source: Mitre, NVD

Published: 2023-10-25

Updated: 2024-01-25

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.2

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Severity: High