ROOT 권한 상승(CVE-2021-3156) 필터 PLURA 2021-02-08 Reference https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3156 https://access.redhat.com/security/cve/cve-2021-3156 https://ubuntu.com/security/CVE-2021-3156 https://github.com/r4j0x00/exploits/tree/master/CVE-2021-3156 ← 탈륨 (Thallium) 조직, XSL Script Processing 공격 수행 [T1220] 사용자 정의 규칙 필터 (웹 & 웹방화벽) →