Is CVE-2021-31412 in the CISA KEV catalog?

No. CVE-2021-31412 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-31412?

CVE-2021-31412 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2021-31412?

CVE-2021-31412 has an EPSS score of 1.32% (67th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2021-31412?

No published fix for CVE-2021-31412 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2021-31412

MEDIUM

5.3

CVSS v3

NVD

Description

Improper sanitization of path in default RouteNotFoundError view in com.vaadin:flow-server versions 1.0.0 through 1.0.14 (Vaadin 10.0.0 through 10.0.18), 1.1.0 prior to 2.0.0 (Vaadin 11 prior to 14), 2.0.0 through 2.6.1 (Vaadin 14.0.0 through 14.6.1), and 3.0.0 through 6.0.9 (Vaadin 15.0.0 through 19.0.8) allows network attacker to enumerate all available routes via crafted HTTP request when application is running in production mode and no custom handler for NotFoundException is provided.

CWE-1295 CWE-20Improper Input Validation

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

1.32%probability of exploitation in 30 days

67thpercentile

Moderate risk: more likely to be exploited than 67% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

vaadin.com

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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.