# CVE-2023-20273: Cisco IOS XE Web UI Command Injection Vulnerability

> CVE-2023-20273: Cisco IOS XE Web UI Command Injection Vulnerability. CVSS 7.2 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2023-20273
Last updated: 2025-10-21T23:05:33Z

- Published: 2023-10-24 14:13 UTC · Updated: 2025-10-21 23:05 UTC · Assigner: cisco
- CVSS: 7.2 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS: 92.9%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2023-10-23, federal due date 2023-10-27, ransomware use: Unknown
- CWE: CWE-78

## 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.

## CISA required action

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.

## Affected vendors and products

- Cisco: Cisco IOS XE Software

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2023-20273)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2023-20273)
- [https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-webui-privesc-j22SaA4z](https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-webui-privesc-j22SaA4z)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2023-20273 · Markdown: https://rewindex.com/cve/CVE-2023-20273.md · JSON: https://rewindex.com/api/v1/cves/CVE-2023-20273 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:16:21.502Z