How severe is CVE-2020-5587?

CVE-2020-5587 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-2020-5587 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5587?

CVE-2020-5587 affects Cybozu Garoon. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-5587?

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

When was CVE-2020-5587 published?

CVE-2020-5587 was published on 2020-06-30 and last updated on 2026-06-17.

CVE-2020-5587

CVE-2020-5587 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% (61st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cybozu Garoon
Published: 2020-06-30
Last modified: 2026-06-17

Description

Cybozu Garoon 4.0.0 to 5.0.1 allow remote authenticated attackers to obtain unintended information via unspecified vectors.

Frequently asked questions

What is CVE-2020-5587?: Cybozu Garoon 4.0.0 to 5.0.1 allow remote authenticated attackers to obtain unintended information via unspecified vectors.
How severe is CVE-2020-5587?: CVE-2020-5587 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-2020-5587 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5587?: CVE-2020-5587 affects Cybozu Garoon. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-5587?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-5587 published?: CVE-2020-5587 was published on 2020-06-30 and last updated on 2026-06-17.

References

Affected products (1)

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

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