CVE-2026-0300
Palo Alto Networks PAN-OS Out-of-bounds Write Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 9.3
- EPSS
- 32.1% 백분위 98.1% · 2026.07.17 기준
- CISA KEV
- 등록
- 조치 기한
- 2026.05.09
- 공개일
- 2026.05.07
CISA KEV에 등록된 실제 악용 확인 취약점
A buffer overflow vulnerability in the User-ID™ Authentication Portal (aka Captive Portal) service of Palo Alto Networks PAN-OS software allows an unauthenticated attacker to execute arbitrary code with root privileges on the PA-Series and VM-Series firewalls by sending specially crafted packets. The risk of this issue is greatly reduced if you secure access to the User-ID™ Authentication Portal per the best practice guidelines https://knowledgebase.paloaltonetworks.com/KCSArticleDetail by restricting access to only trusted internal IP addresses. Prisma Access, Cloud NGFW and Panorama appli...
제품 Palo Alto Networks PAN-OS
영향 버전 Palo Alto Networks PAN-OS 12.1.0, 11.2.0, 11.1.0, 10.2.0, 10.2.1, 10.2.2, 10.2.3, 10.2.4, 10.2.5, 10.2.6, 10.2.7, 10.2.8, 10.2.9, 10.2.10, 10.2.11, 10.2.12, 10.2.13, 10.2.14, 10.2.15
수정 버전 Palo Alto Networks PAN-OS · 수정 버전은 공급사 공식자료 확인 필요
영향 여부, 우선 대응, 정식 해결과 결과 확인 절차를 요약합니다.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Until the vendor releases an official fix, the following workaround should be implemented: - Restrict User-ID Authentication Portal access to only trusted zones. - Disable User-ID Authentication Portal if not required. 5/13/2026: Palo Alto has released a variety of patches. If these are relevant to your environment, please apply the designated patch.
조치 기한: 2026.05.09Palo Alto Networks PAN-OS의 현재 전체 버전이 공식 영향 범위(Palo Alto Networks PAN-OS 12.1.0, 11.2.0, 11.1.0, 10.2.0, 10.2.1, 10.2.2, 10.2.3, 10.2.4, 10.2.5, 10.2.6, 10.2.7, 10.2.8, 10.2.9, 10.2.10, 10.2.11, 10.2.12, 10.2.13, 10.2.14, 10.2.15)에 포함되는지 확인합니다. OS를 선택하면 해당 OS의 제품·패키지·KB·APAR 확인 명령만 표시됩니다.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Until the vendor releases an official fix, the following workaround should be implemented: - Restrict User-ID Authentication Portal access to only trusted zones. - Disable User-ID Authentication Portal if not required. 5/13/2026: Palo Alto has released a variety of patches. If these are relevant to your environment, please apply the designated patch.
패치 후 같은 명령으로 전체 버전을 다시 확인해 Palo Alto Networks PAN-OS · 수정 버전은 공급사 공식자료 확인 필요 기준을 충족하는지 확인합니다. 이어서 메모리 손상 관련 오류·공격 흔적이 새로 발생하지 않는지 확인합니다.
CVSS 벡터 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:C/RE:M/U:Red
CWE CWE-787
KEV 등록일 2026.05.06
랜섬웨어 캠페인 사용 미확인
CISA 비고 https://security.paloaltonetworks.com/CVE-2026-0300 ; https://nvd.nist.gov/vuln/detail/CVE-2026-0300
EPSS 데이터 기준일 2026.07.17