No exploitation reportedFix available

CVE-2018-25007

Q: Is CVE-2018-25007 actively exploited?

Active exploitation of CVE-2018-25007 has not been confirmed. Its EPSS score was 0.6% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2018-25007?

CVE-2018-25007 has a CVSS v3 base score of 4.3 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

No exploitation reported by the sources we read.

Published2021-04-23
Fixed in11.0.3 · 10.0.8
WeaknessCWE-754

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC

2021-04-2316:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-25007?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-25007?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV

Vaadin

Branch	Affected	Fixed in	Source
11.0	≥ 11.0.0, < 11.0.3	11.0.3	NVD
10.0	≥ 10.0.0, < 10.0.8	10.0.8	NVD

Vaadin flow

Branch	Affected	Fixed in	Source
1.0	≥ 1.0.0, < 1.0.6	1.0.6	NVD · OSV

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Vaadin to 11.0.3 · 10.0.8

Advisories and patches

github.comPatch
vaadin.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CNACVSS 3.12.6read 2026-10-23
NVDCVSS 3.14.3read 2026-10-23
NVDCVSS 2.04read 2026-10-23
CNAweakness (CWE)CWE-754read 2026-10-23
NVDweakness (CWE)CWE-754read 2026-10-23
FIRST EPSSEPSS score0.6 %2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Published: 2021-04-23
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2018-25007?

Is CVE-2018-25007 actively exploited?

Active exploitation of CVE-2018-25007 has not been confirmed. Its EPSS score was 0.6% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-25007?

CVE-2018-25007 has a CVSS v3 base score of 4.3 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

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