CVE-2023-20273
Cisco IOS XE Web UI Command Injection Vulnerability
⚠ KEVEPSS 89.6%
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.
How to fix CVE-2023-20273
No package mapping is available — consult the references below for vendor-specific guidance.
Is CVE-2023-20273 being exploited?
Yes — CVE-2023-20273 is on the CISA Known Exploited Vulnerabilities (KEV) catalog. Patch immediately.
Affected packages (0)
No package mapping in OSV.