CVE Vulnerability

CVE-2021-34807

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).

5.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

6.1 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P23 Release Notes Vendor Advisory
https://wiki.zimbra.com/wiki/Security_Center Release Notes Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P16 Release Notes Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:zimbra:collaboration:9.0.0:-:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:9.0.0:p2:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:9.0.0:p3:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:9.0.0:p4:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:9.0.0:p5:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:9.0.0:p6:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:9.0.0:p7:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:9.0.0:p8:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:9.0.0:p9:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:9.0.0:p1:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.15:p10:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.15:p11:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.15:p16:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.15:p15:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.15:p14:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.15:p13:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.15:p12:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.15:p1:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.15:p2:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.15:p3:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.15:p4:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.15:p5:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.15:p6:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.15:p7:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.15:p8:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.15:p9:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.15:-:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:*:*:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.15:p17:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.15:p18:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.15:p19:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:9.0.0:p10:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:9.0.0:p11:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:9.0.0:p12:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:9.0.0:p13:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:9.0.0:p14:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:9.0.0:p15:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.15:p20:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.15:p21:*:*:*:*:*:*
cpe:2.3:a:zimbra:collaboration:8.8.15:p22:*:*:*:*:*:*
Information

Published : 2021-07-02 07:15

Updated : 2021-07-08 06:57

NVD link : CVE-2021-34807

Mitre link : CVE-2021-34807

Products Affected
No products.
CWE
CWE-601

URL Redirection to Untrusted Site ('Open Redirect')