CVEvulnerability

CVE-2021-34807

6.1 MEDIUM Published 2021-07-02 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-07-02
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0 ([email protected])
5.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:N
Weaknesses
CWE-601

Description

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).

Affected configurations

• zimbra collaboration (< 8.8.15) • zimbra collaboration 8.8.15 • zimbra collaboration 9.0.0

Related

Weakness · CWE (1)

  • CWE-601 URL Redirection to Untrusted Site weakness

References