CVE-2023-20273
Cisco IOS XE Web UI Command Injection Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 7.2
- EPSS
- 89.6% 백분위 99.8% · 2026.07.17 기준
- CISA KEV
- 등록
- 조치 기한
- 2023.10.27
- 공개일
- 2023.10.26
CISA KEV에 등록된 실제 악용 확인 취약점
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.
제품 Cisco IOS XE Web UI
영향 버전 Cisco IOS XE Web UI 16.1.1, 16.1.2, 16.1.3, 16.2.1, 16.2.2, 16.3.1, 16.3.2, 16.3.3, 16.3.1a, 16.3.4, 16.3.5, 16.3.5b, 16.3.6, 16.3.7, 16.3.8, 16.3.9, 16.3.10, 16.3.11, 16.4.1, 16.4.2
수정 버전 Cisco IOS XE Web UI 17.3.8a, 17.6.6a, 17.9.4a, 16.12.10a
영향 여부, 우선 대응, 정식 해결과 결과 확인 절차를 요약합니다.
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.
조치 기한: 2023.10.27Cisco IOS XE Web UI의 현재 전체 버전이 공식 영향 범위(Cisco IOS XE Web UI 16.1.1, 16.1.2, 16.1.3, 16.2.1, 16.2.2, 16.3.1, 16.3.2, 16.3.3, 16.3.1a, 16.3.4, 16.3.5, 16.3.5b, 16.3.6, 16.3.7, 16.3.8, 16.3.9, 16.3.10, 16.3.11, 16.4.1, 16.4.2)에 포함되는지 확인합니다. OS를 선택하면 해당 OS의 제품·패키지·KB·APAR 확인 명령만 표시됩니다.
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.
패치 후 같은 명령으로 전체 버전을 다시 확인해 Cisco IOS XE Web UI 17.3.8a, 17.6.6a, 17.9.4a, 16.12.10a 기준을 충족하는지 확인합니다. 이어서 명령어·코드 인젝션 관련 오류·공격 흔적이 새로 발생하지 않는지 확인합니다.
CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE CWE-78
KEV 등록일 2023.10.23
랜섬웨어 캠페인 사용 미확인
CISA 비고 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-webui-privesc-j22SaA4z; https://nvd.nist.gov/vuln/detail/CVE-2023-20273
EPSS 데이터 기준일 2026.07.17