CVE-2017-12231
Cisco IOS Software Network Address Translation Denial-of-Service Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 7.5
- EPSS
- 6.94% 백분위 93.3% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2022.03.24
- 공개일
- 2017.09.29
CISA KEV에 등록된 실제 악용 확인 취약점
A vulnerability in the implementation of Network Address Translation (NAT) functionality in Cisco IOS 12.4 through 15.6 could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to the improper translation of H.323 messages that use the Registration, Admission, and Status (RAS) protocol and are sent to an affected device via IPv4 packets. An attacker could exploit this vulnerability by sending a crafted H.323 RAS packet through an affected device. A successful exploit could allow the attacker to cause the aff...
공급사 Cisco
제품 IOS software
영향 버전 Cisco IOS, >= 12.4 <= 15.6
수정 버전 공식 출처에서 확인 필요
Apply updates per vendor instructions.
조치 기한: 2022.03.24CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-399
KEV 등록일 2022.03.03
랜섬웨어 캠페인 사용 미확인
CISA 비고 https://nvd.nist.gov/vuln/detail/CVE-2017-12231
EPSS 데이터 기준일 2026.06.27