CVE-2024-27443
Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 6.1
- EPSS
- 19.5% 백분위 97.0% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2025.06.09
- 공개일
- 2024.08.13
CISA KEV에 등록된 실제 악용 확인 취약점
An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. A Cross-Site Scripting (XSS) vulnerability exists in the CalendarInvite feature of the Zimbra webmail classic user interface, because of improper input validation in the handling of the calendar header. An attacker can exploit this via an email message containing a crafted calendar header with an embedded XSS payload. When a victim views this message in the Zimbra webmail classic interface, the payload is executed in the context of the victim's session, potentially leading to execution of arbitrary JavaScript code.
공급사 Synacor
제품 Zimbra Collaboration Suite (ZCS)
영향 버전 n/a, >= 10.0.0 < 10.0.7, 9.0.0
수정 버전 10.0.7
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
조치 기한: 2025.06.09CVSS 벡터 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE CWE-79
KEV 등록일 2025.05.19
랜섬웨어 캠페인 사용 미확인
CISA 비고 https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P46#Security_Fixes ; https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P39#Security_Fixes ; https://wiki.zimbra.com/wiki/Zimbra_Releases/10.0.7#Security_Fixes ; https://nvd.nist.gov/vuln/detail/CVE-2024-27443
EPSS 데이터 기준일 2026.06.27