How severe is CVE-2024-39817?

CVE-2024-39817 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-39817 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-39817?

CVE-2024-39817 affects Cybozu Office. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-39817?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-39817 have an EU (EUVD) identifier?

Yes. CVE-2024-39817 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38246.

When was CVE-2024-39817 published?

CVE-2024-39817 was published on 2024-08-06 and last updated on 2026-06-17.

CVE-2024-39817

CVE-2024-39817 is a medium-severity vulnerability in Cybozu Office with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-38246
Weakness: CWE-200
Affected product: Cybozu Office
Published: 2024-08-06
Last modified: 2026-06-17

Description

Insertion of sensitive information into sent data issue exists in Cybozu Office 10.0.0 to 10.8.6, which may allow a user who can login to the product to view data that the user does not have access by conducting 'search' under certain conditions in Custom App.

Frequently asked questions

What is CVE-2024-39817?: Insertion of sensitive information into sent data issue exists in Cybozu Office 10.0.0 to 10.8.6, which may allow a user who can login to the product to view data that the user does not have access by conducting 'search' under certain conditions in Custom App.
How severe is CVE-2024-39817?: CVE-2024-39817 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-39817 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-39817?: CVE-2024-39817 affects Cybozu Office. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-39817?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-39817 have an EU (EUVD) identifier?: Yes. CVE-2024-39817 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38246.
When was CVE-2024-39817 published?: CVE-2024-39817 was published on 2024-08-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cybozu:office:*:*:*:*:*:*:*:*

More vulnerabilities in Cybozu Office

CVE-2014-5314 — Critical (CVSS 9.0): Buffer overflow in Cybozu Office 9 and 10 before 10.1.0, Mailwise 4 and 5 before 5.1.4, and Dezie 8 before 8.1.1 allows…
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CVE-2018-0704 — High (CVSS 7.5): Directory traversal vulnerability in Cybozu Office 10.0.0 to 10.8.1 allows remote attackers to delete arbitrary files…
CVE-2018-0703 — High (CVSS 7.5): Directory traversal vulnerability in Cybozu Office 10.0.0 to 10.8.1 allows remote attackers to delete arbitrary files…
CVE-2015-8483 — High (CVSS 7.4): Open redirect vulnerability in Cybozu Office 10.2.0 through 10.3.0 allows remote attackers to redirect users to…
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