Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2023-20273

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.927
EPSS Ranking 99.7%
CVSS Severity
CVSS v3 Score 7.2
Proposed Action
Cisco IOS XE contains a command injection vulnerability in the web user interface. When chained with CVE-2023-20198, the attacker can leverage the new local user to elevate privilege to root and write the implant to the file system. Cisco identified CVE-2023-20273 as the vulnerability exploited to deploy the implant. CVE-2021-1435, previously associated with the exploitation events, is no longer believed to be related to this activity.
Ransomware Campaign
Unknown
Products affected by CVE-2023-20273


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