PT-2021-19288 · Vaadin · Com.Vaadin:Flow-Server

Mstahvo · Published 2021-04-19 · Updated 2022-08-12 · CVE-2021-31407

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions com.vaadin:flow-server versions 1.2.0 through 2.4.7 com.vaadin:flow-server versions 6.0.0 through 6.0.1

Description The issue allows an attacker to access application classes and resources on the server via a crafted HTTP request. This is due to a vulnerability in OSGi integration in com.vaadin:flow-server.

Recommendations For com.vaadin:flow-server versions 1.2.0 through 2.4.7, update to a version outside of this range to resolve the issue. For com.vaadin:flow-server versions 6.0.0 through 6.0.1, update to a version outside of this range to resolve the issue. As a temporary workaround, consider restricting access to sensitive application classes and resources on the server until a patch is available.

Fix

Exposure of Resource to Wrong Sphere

Weakness Enumeration

CWE-402

CWE-668

Related Identifiers

CVE-2021-31407

GHSA-25XC-JWFQ-39JW

GHSA-J9WR-49VQ-RM5G

Affected Products

Com.Vaadin:Flow-Server

References · 12

• https://github.com/vaadin/flow/pull/10229 · Patch
• https://github.com/vaadin/flow/pull/10269 · Patch
• https://github.com/vaadin/osgi/issues/50 · Patch
• https://osv.dev/vulnerability/GHSA-25xc-jwfq-39jw · Vendor Advisory
• https://vaadin.com/security/cve-2021-31407 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-j9wr-49vq-rm5g · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-31407 · Security Note
• https://osv.dev/vulnerability/CVE-2021-31407 · Vendor Advisory
• https://github.com/vaadin/flow · Note
• https://github.com/vaadin/flow/security/advisories/GHSA-25xc-jwfq-39jw · Note
• https://github.com/vaadin/platform · Note
• https://github.com/vaadin/platform/security/advisories/GHSA-j9wr-49vq-rm5g · Note