CVE-2021-35209

Katalog CVE

CVSS 9.8 · Critical EPSS 3,0%

Kerentanan Server-Side Request Forgery (SSRF) pada zimbra collaboration. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

An issue was discovered in ProxyServlet.java in the /proxy servlet in Zimbra Collaboration Suite 8.8 before 8.8.15 Patch 23 and 9.x before 9.0.0 Patch 16. The value of the X-Host header overwrites the value of the Host header in proxied requests. The value of X-Host header is not checked against the whitelist of hosts Zimbra is allowed to proxy to (the zimbraProxyAllowedDomains setting).

Rincian

Terbit di NVD

2 Juli 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-918: Server-Side Request Forgery (SSRF)

EPSS (30 hari)

3,0% peluang dieksploitasi; lebih tinggi dari 87,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://wiki.zimbra.com/wiki/Security_Center release notes · advisory vendor
• https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P23 release notes · advisory vendor
• https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P16 release notes · advisory vendor
• https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories advisory vendor
• https://blog.sonarsource.com/zimbra-webmail-compromise-via-email exploit · advisory pihak ketiga