Is CVE-2019-25027 in the CISA KEV catalog?

No. CVE-2019-25027 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-25027?

CVE-2019-25027 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2019-25027?

CVE-2019-25027 has an EPSS score of 0.67% (48th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-25027?

Upgrade flow to 1.4.3 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2019-25027

MEDIUM

6.1

CVSS v3

NVD

Description

Missing output sanitization in default RouteNotFoundError view in com.vaadin:flow-server versions 1.0.0 through 1.0.10 (Vaadin 10.0.0 through 10.0.13), and 1.1.0 through 1.4.2 (Vaadin 11.0.0 through 13.0.5) allows attacker to execute malicious JavaScript via crafted URL

CWE-81 CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

flowNVD

Affected:>= 1.1.0, < 1.4.3Fixed in:1.4.3CVE-2019-25027derived from NVD

vaadinNVD

Affected:>= 11.0.0, < 13.0.6Fixed in:13.0.6CVE-2019-25027derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploit Intelligence

0.67%probability of exploitation in 30 days

48thpercentile

Moderate risk: more likely to be exploited than 48% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

vaadin.com

Related Vulnerabilities

Other CWE-81 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-4137	High	8.1	1.1%	-	-
CVE-2024-6892	Medium	6.1	0.8%	-	-
CVE-2022-4361	Critical	10.0	0.6%	-	Fix
CVE-2024-47882	Medium	5.9	0.5%	-	Fix
CVE-2025-0883	Unscored	-	0.3%	-	-
CVE-2024-47064	Medium	6.1	0.3%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.