CVE-2024-27443

Katalog CVE

CVSS 6.1 · Medium KEV · sudah dieksploitasi EPSS 23,6%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada zimbra collaboration. Skor CVSS 3.1 6.1 (Medium) menurut NVD. Masuk katalog KEV CISA pada 19 Mei 2025, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

12 Agustus 2024

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

6.1 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

EPSS (30 hari)

23,6% peluang dieksploitasi; lebih tinggi dari 97,7% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability

Masuk KEV

19 Mei 2025

Tenggat CISA

9 Juni 2025 (untuk instansi federal AS)

Ransomware

Belum tercatat

Tindakan wajib

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-27443 pemerintah AS
• https://wiki.zimbra.com/wiki/Zimbra_Releases/10.0.7#Security_Fixes release notes
• https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P39#Security_Fixes release notes
• https://www.welivesecurity.com/en/eset-research/operation-roundpress/ press/media coverage