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Status published
High
CVE-2021-31407
Server classes and resources exposure in OSGi applications using Vaadin 12-14 and 19
Vulnerability Description
Vulnerability in OSGi integration in com.vaadin:flow-server versions 1.2.0 through 2.4.7 (Vaadin 12.0.0 through 14.4.9), and 6.0.0 through 6.0.1 (Vaadin 19.0.0) allows attacker to access application classes and resources on the server via crafted HTTP request.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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5.7
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6.1
CVE-2021-33609
Denial of service in DataCommunicator class in Vaadin 8
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4.3
CVE-2021-33605
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Medium
4.3
CVE-2021-33604
Reflected cross-site scripting in development mode handler in Vaadin 14, 15-19
Low
2.5
Affected Vendor
Vaadin
View all reports →Affected Software
Vaadin, flow-server
Vulnerable Versions:
19.0.0, 12.0.0, 1.2.0
Timeline
Official Publish:
April 23rd, 2021
Last Modified:
September 16th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.