PT-2021-19293 · Vaadin · Com.Vaadin:Flow-Server

Published 2021-05-05 · Updated 2021-05-18 · CVE-2021-31411

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions com.vaadin:flow-server versions 2.0.9 through 2.5.2 com.vaadin:flow-server versions 3.0 prior to 6.0 com.vaadin:flow-server versions 6.0.0 through 6.0.5

Description Insecure temporary directory usage in frontend build functionality allows local users to inject malicious code into frontend resources during application rebuilds.

Recommendations For com.vaadin:flow-server versions 2.0.9 through 2.5.2, update to a version outside of this range to mitigate the risk. For com.vaadin:flow-server versions 3.0 prior to 6.0, update to version 6.0 or later to resolve the issue. For com.vaadin:flow-server versions 6.0.0 through 6.0.5, update to a version later than 6.0.5 to fix the vulnerability.

Fix

Weakness Enumeration

CWE-379

Related Identifiers

CVE-2021-31411

GHSA-P826-8VHQ-H439

Affected Products

Com.Vaadin:Flow-Server

References · 8

• https://github.com/vaadin/flow/pull/10640 · Patch
• https://osv.dev/vulnerability/CVE-2021-31411 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-p826-8vhq-h439 · Vendor Advisory
• https://vaadin.com/security/cve-2021-31411 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-31411 · Security Note
• https://github.com/vaadin/platform/security/advisories/GHSA-p826-8vhq-h439 · Note
• https://t.me/cvenotify/14102 · Telegram Post
• https://t.me/cvenotify/14583 · Telegram Post