Is CVE-2024-31400 in the CISA KEV catalog?

No. CVE-2024-31400 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-31400?

CVE-2024-31400 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2024-31400?

CVE-2024-31400 has an EPSS score of 0.28% (20th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-31400?

Upgrade garoon to 6.0.0 or later.

CVE & CISA-KEV Catalog

CVE-2024-31400

MEDIUM

6.5

CVSS v3

NVD

Description

Insertion of sensitive information into sent data issue exists in Cybozu Garoon 5.0.0 to 5.15.0. If this vulnerability is exploited, unintended data may be left in forwarded mail.

CWE-922

How to fix

Remediation Available

garoonNVD

Affected:>= 5.5.0, < 6.0.0Fixed in:6.0.0CVE-2024-31400derived 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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.28%probability of exploitation in 30 days

20thpercentile

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

References

Vendor Advisory1

cs.cybozu.co.jp

Third-Party Advisory1

jvn.jp

Related Vulnerabilities

Other CWE-922 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-13937	Medium	5.3	79%	-	-
CVE-2018-25031	Medium	4.3	42%	-	Fix
CVE-2021-27170	Critical	9.8	16%	-	-
CVE-2023-41723	Medium	4.3	12%	-	-
CVE-2020-1493	Medium	5.5	7.3%	-	-
CVE-2024-30896	Critical	9.1	5.2%	-	-

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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 2025-08-05.