CVE-2021-26084
Atlassian Confluence Server and Data Center Object-Graph Navigation Language (OGNL) Injection Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 9.8
- EPSS
- 100.0% 백분위 100.0% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2021.11.17
- 공개일
- 2021.08.30
CISA KEV에 등록된 실제 악용 확인 취약점
In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance. The affected versions are before version 6.13.23, from version 6.14.0 before 7.4.11, from version 7.5.0 before 7.11.6, and from version 7.12.0 before 7.12.5.
공급사 Atlassian
제품 Confluence Server and Data Center
영향 버전 unspecified, 6.14.0, 7.5.0, 7.12.0, < 6.13.23, >= 6.14.0 < 7.4.11, >= 7.5.0 < 7.11.6, >= 7.12.0 < 7.12.5
수정 버전 6.13.23, 7.4.11, 7.11.6, 7.12.5
Apply updates per vendor instructions.
조치 기한: 2021.11.17CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-917
KEV 등록일 2021.11.03
랜섬웨어 캠페인 사용 확인됨
CISA 비고 https://nvd.nist.gov/vuln/detail/CVE-2021-26084
EPSS 데이터 기준일 2026.06.27