How severe is CVE-2016-1188?

CVE-2016-1188 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 none, integrity high, and availability none.

Is CVE-2016-1188 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1188?

CVE-2016-1188 primarily affects Cybozu Garoon. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-1188?

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

When was CVE-2016-1188 published?

CVE-2016-1188 was published on 2016-06-25 and last updated on 2026-06-17.

CVE-2016-1188

CVE-2016-1188 is a medium-severity vulnerability in Cybozu Garoon 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.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cybozu Garoon
Published: 2016-06-25
Last modified: 2026-06-17

Description

Cybozu Garoon 3.x and 4.x before 4.2.1 allows remote authenticated users to send spoofed e-mail messages via unspecified vectors.

Frequently asked questions

What is CVE-2016-1188?: Cybozu Garoon 3.x and 4.x before 4.2.1 allows remote authenticated users to send spoofed e-mail messages via unspecified vectors.
How severe is CVE-2016-1188?: CVE-2016-1188 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 none, integrity high, and availability none.
Is CVE-2016-1188 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1188?: CVE-2016-1188 primarily affects Cybozu Garoon. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-1188?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-1188 published?: CVE-2016-1188 was published on 2016-06-25 and last updated on 2026-06-17.

References

Affected products (21)

cpe:2.3:a:cybozu:garoon:3.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.1.2:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.1.3:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.5.0:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.5.1:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.5.2:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.5.3:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.5.4:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.5.5:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.7.0:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.7.1:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.7.2:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.7.3:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.7.4:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.7.5:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:4.0.2:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:4.0.3:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:4.2.0:*:*:*:*:*:*:*

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