CVE-2023-20109
Cisco IOS and IOS XE Group Encrypted Transport VPN Out-of-Bounds Write Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 6.6
- EPSS
- 2.34% 백분위 81.5% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2023.10.31
- 공개일
- 2023.09.28
CISA KEV에 등록된 실제 악용 확인 취약점
A vulnerability in the Cisco Group Encrypted Transport VPN (GET VPN) feature of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker who has administrative control of either a group member or a key server to execute arbitrary code on an affected device or cause the device to crash. This vulnerability is due to insufficient validation of attributes in the Group Domain of Interpretation (GDOI) and G-IKEv2 protocols of the GET VPN feature. An attacker could exploit this vulnerability by either compromising an installed key server or modifying the configura...
공급사 Cisco
제품 IOS and IOS XE
영향 버전 12.4(24)T, 12.4(24)T3, 12.4(22)T1, 12.4(24)T5, 12.4(24)T4, 12.4(22)T, 12.4(24)T8, 12.4(24)T2, 12.4(22)T5, 12.4(22)T4, 12.4(24)T1, 12.4(24)T7, 12.4(22)T3, 12.4(24)T6, 12.4(22)T2, 12.4(24)T4a, 12.4(24)T4b, 12.4(24)T3e, 12.4(24)T4c, 12.4(24)T4d
수정 버전 공식 출처에서 확인 필요
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
조치 기한: 2023.10.31CVSS 벡터 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE CWE-787
KEV 등록일 2023.10.10
랜섬웨어 캠페인 사용 미확인
CISA 비고 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-getvpn-rce-g8qR68sx; https://nvd.nist.gov/vuln/detail/CVE-2023-20109
EPSS 데이터 기준일 2026.06.27