CVE-2026-0300
CISA 기관 조치 기한: 2026-05-09
Palo Alto Networks PAN-OS
Qualys 위협 인텔 · 심각도 5/5 · QID 531314 · Web Application
공개 익스플로잇
실제 공격 관측
측면이동
쉬운 악용
대량 데이터 유출
서비스 거부
악성코드 연계
웜 전파
인증 불필요
원격코드실행
랜섬웨어 연계
CISA KEV
Palo Alto Networks PAN-OS contains an out-of-bounds write vulnerability in the User-ID Authentication Portal (aka Captive Portal) service that can allow an unauthenticated attacker to execute arbitrary code with root privileges on the PA-Series and VM-Series firewalls by sending specially crafted packets.
KEV 필수 조치: 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.
벡터: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H