What is CVE-2018-25007?

CVE-2018-25007 is a low-severity vulnerability in Vaadin Flow, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 2.6/10. Published 2021-04-23.

How severe is CVE-2018-25007?

Low severity. CVSS v3 base score is 2.6 out of 10.

Vulnerability in Vaadin Flow

CVE-2018-25007

Missing check in UIDL request handler in com.vaadin:flow-server versions 1.0.0 through 1.0.5 (Vaadin 10.0.0 through 10.0.7, and 11.0.0 through 11.0.2) allows attacker to update element property values via crafted synchronization message.

Published 2021-04-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 2.6 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (46.3th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Vaadin Flow
Vaadin Flow-Server — versions 1.0.0
Vaadin — versions 10.0.0

Weakness classification (CWE)

CWE-754 — Improper Check for Unusual or Exceptional Conditions

References

vaadin.com/security/cve-2018-25007 (Vendor Advisory)
github.com/vaadin/flow/pull/4774 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2018-25007?: CVE-2018-25007 is a low-severity vulnerability in Vaadin Flow, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 2.6/10. Published 2021-04-23.
How severe is CVE-2018-25007?: Low severity. CVSS v3 base score is 2.6 out of 10.