{"cvss":7.2,"datePublished":"2023-10-23","dateUpdated":"2023-10-23","description":"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.","dueDate":"2023-10-27","id":"CVE-2023-20273","kev_catalogs":["cisa"],"knownRansomwareCampaignUse":"Unknown","notes":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-webui-privesc-j22SaA4z;  https://nvd.nist.gov/vuln/detail/CVE-2023-20273","product":"Cisco IOS XE Web UI","requiredAction":"Verify that instances of Cisco IOS XE Web UI are in compliance with BOD 23-02 and apply mitigations per vendor instructions. For affected products (Cisco IOS XE Web UI exposed to the internet or to untrusted networks), follow vendor instructions to determine if a system may have been compromised and immediately report positive findings to CISA.","severity":"HIGH","source":"cisa_known_exploited","title":"Cisco IOS XE Web UI Command Injection Vulnerability","vendor":"Cisco"}