CVE-2020-3118
Cisco IOS XR Software Discovery Protocol Format String Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 8.8
- EPSS
- 11.7% 백분위 95.5% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2022.05.03
- 공개일
- 2020.02.06
CISA KEV에 등록된 실제 악용 확인 취약점
A vulnerability in the Cisco Discovery Protocol implementation for Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to execute arbitrary code or cause a reload on an affected device. The vulnerability is due to improper validation of string input from certain fields in Cisco Discovery Protocol messages. An attacker could exploit this vulnerability by sending a malicious Cisco Discovery Protocol packet to an affected device. A successful exploit could allow the attacker to cause a stack overflow, which could allow the attacker to execute arbitrary code with administrat...
공급사 Cisco
제품 IOS XR
영향 버전 unspecified, >= 6.6.0 < 6.6.12, >= 7.0.0 < 7.0.2, 6.5.3, 5.2.5, 6.4.2, 6.6.25, 7.0.1
수정 버전 6.6.12, 7.0.2
Apply updates per vendor instructions.
조치 기한: 2022.05.03CVSS 벡터 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-134, CWE-787
KEV 등록일 2021.11.03
랜섬웨어 캠페인 사용 미확인
CISA 비고 https://nvd.nist.gov/vuln/detail/CVE-2020-3118
EPSS 데이터 기준일 2026.06.27