Home/CVE/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),
CVE

CVE-2021-31407

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),

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.

HIGH · CVSS 8.6 EPSS 0.01802
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules3 YARA rules0
⬡

Weakness Classification

CWE-402Transmission of Private Resources into a New Sphere ('Resource Leak')
CWE-668Exposure of Resource to Wrong Sphere
▤

Affected Products & Versions

4
vaadin flow>= 1.2.0 and < 2.4.8
vaadin flow>= 6.0.0 and < 6.0.2
vaadin>= 12.0.0 and < 14.4.10
vaadinall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven com.vaadin:flow-server HIGH fixed in 2.4.8
◈

Sigma Hunt Rules

3
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighAWS VPC Flow Logs Deleted
productmediumApplication Using Device Code Authentication Flow
productmediumApplications That Are Using ROPC Authentication Flow
▣

Scoring & Timeline

8.6
HIGH · CVSS v3.1 · security@vaadin.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD23 Apr 2021 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/vaadin/flow/pull/10229PatchThird Party Advisory
https://github.com/vaadin/flow/pull/10269PatchThird Party Advisory
https://github.com/vaadin/osgi/issues/50PatchThird Party Advisory
https://vaadin.com/security/cve-2021-31407Vendor Advisory
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