CVE-2026-21587UNKNOWNMITRENVD대응게시일: 2026. 09. 15.수정일: 2026. 09. 16.CNA: security@atlassian.comReceived
This High severity Improper Authorization vulnerability was introduced in version 11.3.0 of Jira Service Management Data Center. This Im
위협 신호 · CVSS · EPSS · KEV
정기 패치· 높은 악용 신호 없음
CVSS
—unknown
이론적 심각도 점수
EPSS
—예측 데이터 없음
KEV
미등재실측 악용 기록 없음
권장 대응 기한60일 이내CISA SSVC 기준
계획된 패치 주기 내 조치(60일 이내)
외부 노출· KEV 미등재 · 자동화 어려움 · 부분 영향 · 외부 노출
CVSS 벡터 · 메트릭
버전별 점수
CVSS 4.07.1HIGH· 악용성숙도 NOT_DEFINED
CVSS 벡터 정보 없음
약점 (CWE)
상세 설명
This High severity Improper Authorization vulnerability was introduced in version 11.3.0 of Jira Service Management Data Center.
text
1This Improper Authorization vulnerability, with a CVSS Score of 7.1, allows an authenticated attacker to gain unintended access and can lead to the exposure of resources or functionality, possibly providing attackers with sensitive information or even execute arbitrary code. 2 3Atlassian recommends that Jira Service Management Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: 4 5 * Jira Service Management Data Center 11.3: Upgrade to a release greater than or equal to 11.3.11 6 7 8 9See the release notes (https://confluence.atlassian.com/servicemanagement/jira-service-management-release-notes-780083086.html). You can download the latest version of Jira Service Management Data Center from the download center (https://www.atlassian.com/software/jira/service-management/download-archives). 10 11This vulnerability was reported via our Penetration Testing program.AI 심층 분석
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