Vulnerability · Published Apr 23, 2021 · Assigned by Vaadin
CVE-2021-31407Server classes and resources exposure in OSGi applications using Vaadin 12-14 and 19
High 8.6
In plain English
A high-severity security flaw in flow-server from Vaadin. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.4% (higher than 84% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.6High
Exploit odds (30 days)2.4%top 16.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | com.vaadin:flow-server | 2.4.8 | GHSA-25xc-jwfq-39jw |
| Maven | com.vaadin:flow-server | 6.0.1 | GHSA-25xc-jwfq-39jw |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Vaadin | Vaadin | 19.0.012.0.0 – before * |
| Vaadin | flow-server | 1.2.0 – before * |
Weakness: CWE-402 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
References
- https://vaadin.com/security/cve-2021-31407 x_refsource_MISC
- https://github.com/vaadin/osgi/issues/50 x_refsource_MISC
- https://github.com/vaadin/flow/pull/10229 x_refsource_MISC
- https://github.com/vaadin/flow/pull/10269 x_refsource_MISC