BLACKOUT MAP

Apple · iOS, iPadOS, and watchOS

CVE-2021-1879

Apple iOS, iPadOS, and watchOS WebKit Cross-Site Scripting (XSS) Vulnerability

공격에 악용됨 보통 6.1 공격 가능성: 7.1%
공유

무엇인가

This issue was addressed by improved management of object lifetimes. This issue is fixed in iOS 12.5.2, iOS 14.4.2 and iPadOS 14.4.2, watchOS 7.3.3. Processing maliciously crafted web content may lead to universal cross site scripting. Apple is aware of a report that this issue may have been actively exploited..

CISA: Apple iOS, iPadOS, and watchOS WebKit contain an unspecified vulnerability that allows for universal cross-site scripting (XSS) when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

할 일

Apply updates per vendor instructions.

미국 연방 기관 조치 기한: 2021년 11월 17일

CISA 목록에 추가됨
2021년 11월 3일
게시됨
2021년 4월 2일
심각도
보통 6.1 CVSS 3.1
향후 30일 내 공격 가능성(EPSS)
7.1% 알려진 모든 취약점 중 상위 5.8%
약점 유형
CWE-79
자세히
NVD · CVE.org · CISA
모든 참고 자료(3)

Apple의 다른 악용된 결함

추가됨취약점제품심각도공격 가능성
2023. 9. 11.Wallet Code ExecutionCVE-2023-41061iOS, iPadOS, and watchOS높음 7.84.4%
2021. 11. 3.Out-of-Bounds WriteCVE-2020-9818iOS, iPadOS, and watchOS높음 8.82.3%
2021. 11. 3.Memory CorruptionCVE-2020-9819iOS, iPadOS, and watchOS보통 4.32.2%
2026. 9. 29.Out-of-Bounds WriteCVE-2026-86950Multiple Products높음 8.826%
2026. 8. 18.Improper AuthenticationCVE-2026-65400macOS치명적 9.81.7%
2026. 3. 20.Buffer OverflowCVE-2025-31277Multiple Products높음 8.81.7%
2026. 3. 20.Improper LockingCVE-2025-43510Multiple Products높음 7.80.4%
2026. 3. 20.Classic Buffer OverflowCVE-2025-43520Multiple Products보통 5.50.4%

모두 →

출처: Known Exploited Vulnerabilities(CISA, 퍼블릭 도메인), CVE records(cve.org), EPSS(FIRST). 공격 가능성은 누군가 향후 30일 안에 이 결함을 악용하려 할 확률에 대한 EPSS 추정치입니다.