CVE-2021-31407

Server classes and resources exposure in OSGi applications using Vaadin 12-14 and 19

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.

Categories

8.6
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.80% Top 20%
Vendor Advisory vaadin.com
Affected: Vaadin Vaadin
Affected: Vaadin flow-server
Published at:
Updated at:

References

Link Tags
https://vaadin.com/security/cve-2021-31407 vendor advisory
https://github.com/vaadin/osgi/issues/50 third party advisory patch
https://github.com/vaadin/flow/pull/10229 third party advisory patch
https://github.com/vaadin/flow/pull/10269 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-31407?
CVE-2021-31407 has been scored as a high severity vulnerability.
How to fix CVE-2021-31407?
To fix CVE-2021-31407, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-31407 being actively exploited in the wild?
It is possible that CVE-2021-31407 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-31407?
CVE-2021-31407 affects Vaadin Vaadin, Vaadin flow-server.
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