Is CVE-2024-31397 in the CISA KEV catalog?

No. CVE-2024-31397 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-31397?

CVE-2024-31397 has a CVSS v3 base score of 4.9 (MEDIUM).

What is the EPSS score for CVE-2024-31397?

CVE-2024-31397 has an EPSS score of 0.45% (36th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-31397?

Upgrade garoon to 5.15.2 or later.

CVE & CISA-KEV Catalog

CVE-2024-31397

MEDIUM

4.9

CVSS v3

NVD

Description

Improper handling of extra values issue exists in Cybozu Garoon 5.0.0 to 5.15.2. If this vulnerability is exploited, a user who can log in to the product with the administrative privilege may be able to cause a denial-of-service (DoS) condition.

CWE-231

How to fix

Remediation Available

garoonNVD

Affected:>= 5.0.0, < 5.15.2Fixed in:5.15.2CVE-2024-31397derived from NVD

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 RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.45%probability of exploitation in 30 days

36thpercentile

Low risk: more likely to be exploited than 36% of all known CVEs.

References

Third-Party Advisory2

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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 2026-02-13.