CVE-2021-33604
Vaadin flow-server URL Encoding Error Allows arbitrary JavaScript Execution
Description
URL encoding error in development mode handler in com.vaadin:flow-server versions 2.0.0 through 2.6.1 (Vaadin 14.0.0 through 14.6.1), 3.0.0 through 6.0.9 (Vaadin 15.0.0 through 19.0.8) allows local user to execute arbitrary JavaScript code by opening crafted URL in browser.
INFO
Published Date :
June 24, 2021, 12:15 p.m.
Last Modified :
July 1, 2021, 3:35 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
1.4
Exploitability Score :
1.0
Public PoC/Exploit Available at Github
CVE-2021-33604 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2021-33604.
| URL | Resource |
|---|---|
| https://github.com/vaadin/flow/pull/11099 | Patch Third Party Advisory |
| https://vaadin.com/security/cve-2021-33604 | 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).
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-33604 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-33604 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.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Jul. 01, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:L/AC:H/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N Changed Reference Type https://github.com/vaadin/flow/pull/11099 No Types Assigned https://github.com/vaadin/flow/pull/11099 Patch, Third Party Advisory Changed Reference Type https://vaadin.com/security/cve-2021-33604 No Types Assigned https://vaadin.com/security/cve-2021-33604 Vendor Advisory Added CWE NIST NVD-CWE-Other Added CPE Configuration OR *cpe:2.3:a:vaadin:flow-server:*:*:*:*:*:*:*:* versions from (including) 2.0.0 up to (including) 2.6.1 *cpe:2.3:a:vaadin:flow-server:*:*:*:*:*:*:*:* versions from (including) 3.0.0 up to (including) 5.0.0 *cpe:2.3:a:vaadin:flow-server:*:*:*:*:*:*:*:* versions from (including) 6.0.0 up to (including) 6.0.9 *cpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:* versions from (including) 14.0.0 up to (including) 14.6.1 *cpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:* versions from (including) 15.0.0 up to (including) 18.0.0 *cpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:* versions from (including) 19.0.0 up to (including) 19.0.8
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-33604 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-2021-33604
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} 0.00%
score
0.21201
percentile