How severe is CVE-2016-4873?

CVE-2016-4873 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2016-4873 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4873?

CVE-2016-4873 primarily affects Cybozu Office. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-4873?

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

When was CVE-2016-4873 published?

CVE-2016-4873 was published on 2017-04-17 and last updated on 2026-06-17.

CVE-2016-4873

CVE-2016-4873 is a medium-severity vulnerability in Cybozu Office with a CVSS 3.x base score of 4.3. 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-275.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-275
Affected product: Cybozu Office
Published: 2017-04-17
Last modified: 2026-06-17

Description

Cybozu Office 9.0.0 to 10.4.0 allows remote authenticated attackers to execute unintended operations via the Project function.

Frequently asked questions

What is CVE-2016-4873?: Cybozu Office 9.0.0 to 10.4.0 allows remote authenticated attackers to execute unintended operations via the Project function.
How severe is CVE-2016-4873?: CVE-2016-4873 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2016-4873 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4873?: CVE-2016-4873 primarily affects Cybozu Office. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-4873?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-4873 published?: CVE-2016-4873 was published on 2017-04-17 and last updated on 2026-06-17.

References

Affected products (16)

cpe:2.3:a:cybozu:office:9.0:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:office:9.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:office:9.2.0:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:office:9.2.1:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:office:9.3.0:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:office:9.3.1:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:office:9.3.2:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:office:9.9.0:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:office:10.0.0:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:office:10.0.1:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:office:10.0.2:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:office:10.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:office:10.1.2:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:office:10.2.0:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:office:10.3.0:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:office:10.4.0:*:*:*:*:*:*:*

More vulnerabilities in Cybozu Office

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