CVE-2021-34807
Zimbra Collaboration Suite Open Redirect Vulnerability
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).
INFO
Published Date :
July 2, 2021, 7:15 p.m.
Last Modified :
July 8, 2021, 6:57 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.7
Exploitability Score :
2.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-34807.
| URL | Resource |
|---|---|
| https://wiki.zimbra.com/wiki/Security_Center | Release Notes Vendor Advisory |
| https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P23 | Release Notes Vendor Advisory |
| https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P16 | Release Notes Vendor Advisory |
| https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-34807 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-34807 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Jul. 08, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Changed Reference Type https://wiki.zimbra.com/wiki/Security_Center No Types Assigned https://wiki.zimbra.com/wiki/Security_Center Release Notes, Vendor Advisory Changed Reference Type https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P23 No Types Assigned https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P23 Release Notes, Vendor Advisory Changed Reference Type https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P16 No Types Assigned https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P16 Release Notes, Vendor Advisory Changed Reference Type https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories No Types Assigned https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories Vendor Advisory Added CWE NIST CWE-601 Added CPE Configuration OR *cpe:2.3:a:zimbra:collaboration:*:*:*:*:*:*:*:* versions up to (excluding) 8.8.15 *cpe:2.3:a:zimbra:collaboration:8.8.15:-:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration:8.8.15: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:p12:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration:8.8.15:p13:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration:8.8.15:p14:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration:8.8.15:p15:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration:8.8.15:p16:*:*:*:*:*:* *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:8.8.15:p2:*:*:*:*:*:* *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:*:*:*:*:*:* *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:9.0.0:-:*:*:*:*:*:* *cpe:2.3:a:zimbra:collaboration:9.0.0:p1:*:*:*:*:*:* *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: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:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-34807 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-34807
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.10 }} 0.00%
score
0.40901
percentile