CVE-2021-34807

Katalog CVE

CVSS 6.1 · Medium EPSS 0,98%

Kerentanan URL Redirection to Untrusted Site ('Open Redirect') pada zimbra collaboration. Skor CVSS 3.1 6.1 (Medium) menurut NVD.

Deskripsi (NVD)

An open redirect vulnerability exists in the /preauth Servlet in Zimbra Collaboration Suite through 9.0. To exploit the vulnerability, an attacker would need to have obtained a valid zimbra auth token or a valid preauth token. Once the token is obtained, an attacker could redirect a user to any URL via isredirect=1&redirectURL= in conjunction with the token data (e.g., a valid authtoken= value).

Rincian

Terbit di NVD

2 Juli 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

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-601: URL Redirection to Untrusted Site ('Open Redirect')

EPSS (30 hari)

0,98% peluang dieksploitasi; lebih tinggi dari 61,2% 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