How severe is CVE-2016-1189?

CVE-2016-1189 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2016-1189 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1189?

CVE-2016-1189 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-2016-1189?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-1189 published?

CVE-2016-1189 was published on 2016-06-25 and last updated on 2026-06-17.

CVE-2016-1189

CVE-2016-1189 is a high-severity vulnerability in Cybozu Garoon with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 5.5
EPSS exploit prediction: 1% (65th 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 bypass intended restrictions on reading, creating, or modifying a portlet via unspecified vectors.

Frequently asked questions

What is CVE-2016-1189?: Cybozu Garoon 3.x and 4.x before 4.2.1 allows remote authenticated users to bypass intended restrictions on reading, creating, or modifying a portlet via unspecified vectors.
How severe is CVE-2016-1189?: CVE-2016-1189 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2016-1189 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1189?: CVE-2016-1189 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-2016-1189?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-1189 published?: CVE-2016-1189 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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