How severe is CVE-2016-1219?

CVE-2016-1219 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-1219 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1219?

CVE-2016-1219 affects Cybozu Garoon. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-1219?

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

When was CVE-2016-1219 published?

CVE-2016-1219 was published on 2017-04-20 and last updated on 2026-06-17.

CVE-2016-1219

CVE-2016-1219 is a critical-severity vulnerability in Cybozu Garoon with a CVSS 3.x base score of 9.8. 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Cybozu Garoon
Published: 2017-04-20
Last modified: 2026-06-17

Description

Cybozu Garoon before 4.2.2 allows remote attackers to bypass login authentication via vectors related to API use.

Frequently asked questions

What is CVE-2016-1219?: Cybozu Garoon before 4.2.2 allows remote attackers to bypass login authentication via vectors related to API use.
How severe is CVE-2016-1219?: CVE-2016-1219 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-1219 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1219?: CVE-2016-1219 affects Cybozu Garoon. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-1219?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-1219 published?: CVE-2016-1219 was published on 2017-04-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cybozu:garoon:*:*:*:*:*:*:*:*

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Other CWE-287 (Improper Authentication) vulnerabilities

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