Insecure temporary directory usage in frontend build functionality of Vaadin 14 and 15-19
CVE-2021-31411

6.3MEDIUM

Key Information:

Vendor

Vaadin

Status
Vaadin
Flow-server
Vendor
CVE Published:
5 May 2021

What is CVE-2021-31411?

Insecure temporary directory usage in frontend build functionality of com.vaadin:flow-server versions 2.0.9 through 2.5.2 (Vaadin 14.0.3 through Vaadin 14.5.2), 3.0 prior to 6.0 (Vaadin 15 prior to 19), and 6.0.0 through 6.0.5 (Vaadin 19.0.0 through 19.0.4) allows local users to inject malicious code into frontend resources during application rebuilds.

Affected Version(s)

flow-server 2.0.9

Vaadin 14.0.3

References

https://vaadin.com/security/cve-2021-31411
x_refsource_CONFIRM
https://github.com/vaadin/flow/pull/10640
x_refsource_CONFIRM

CVSS V3.1

Score:
6.3
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.