CVE-2020-2021
Palo Alto Networks PAN-OS Authentication Bypass Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 10
- EPSS
- 4.36% 백분위 90.0% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2022.04.15
- 공개일
- 2020.06.30
CISA KEV에 등록된 실제 악용 확인 취약점
When Security Assertion Markup Language (SAML) authentication is enabled and the 'Validate Identity Provider Certificate' option is disabled (unchecked), improper verification of signatures in PAN-OS SAML authentication enables an unauthenticated network-based attacker to access protected resources. The attacker must have network access to the vulnerable server to exploit this vulnerability. This issue affects PAN-OS 9.1 versions earlier than PAN-OS 9.1.3; PAN-OS 9.0 versions earlier than PAN-OS 9.0.9; PAN-OS 8.1 versions earlier than PAN-OS 8.1.15, and all versions of PAN-OS 8.0 (EOL). Thi...
공급사 Palo Alto Networks
제품 PAN-OS
영향 버전 8.0.*, 8.1, 9.0, 9.1, >= 8.0.0 <= 8.0.20, >= 8.1.0 < 8.1.15, >= 9.0.0 < 9.0.9, >= 9.1.0 < 9.1.3
수정 버전 8.1.15, 9.0.9, 9.1.3
Apply updates per vendor instructions.
조치 기한: 2022.04.15CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE CWE-347
KEV 등록일 2022.03.25
랜섬웨어 캠페인 사용 확인됨
CISA 비고 https://nvd.nist.gov/vuln/detail/CVE-2020-2021
EPSS 데이터 기준일 2026.06.27