CVE & CISA-KEV Catalog

CVE-2021-33604

LOW
2.5
CVSS v3
NVD

Description

URL encoding error in development mode handler in com.vaadin:flow-server versions 2.0.0 through 2.6.1 (Vaadin 14.0.0 through 14.6.1), 3.0.0 through 6.0.9 (Vaadin 15.0.0 through 19.0.8) allows local user to execute arbitrary JavaScript code by opening crafted URL in browser.

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityHigh
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityLow
IntegrityNone
AvailabilityNone

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

Exploit Intelligence

0.29%probability of exploitation in 30 days
20thpercentile

Low risk: more likely to be exploited than 20% of all known CVEs.

References

Vendor Advisory1
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CVE-2021-33604 severity badge

Markdown

[![CVE-2021-33604](https://tridentstack.com/cve/badge/CVE-2021-33604.svg)](https://tridentstack.com/cve/CVE-2021-33604)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-33604"><img src="https://tridentstack.com/cve/badge/CVE-2021-33604.svg" alt="CVE-2021-33604"></a>

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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.