How severe is CVE-2020-5643?

CVE-2020-5643 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-2020-5643 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5643?

CVE-2020-5643 affects Cybozu Garoon. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-5643?

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

When was CVE-2020-5643 published?

CVE-2020-5643 was published on 2020-11-06 and last updated on 2026-06-17.

CVE-2020-5643

CVE-2020-5643 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. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 5.5
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cybozu Garoon
Published: 2020-11-06
Last modified: 2026-06-17

Description

Improper input validation vulnerability in Cybozu Garoon 5.0.0 to 5.0.2 allows a remote authenticated attacker to delete some data of the bulletin board via unspecified vector.

Frequently asked questions

What is CVE-2020-5643?: Improper input validation vulnerability in Cybozu Garoon 5.0.0 to 5.0.2 allows a remote authenticated attacker to delete some data of the bulletin board via unspecified vector.
How severe is CVE-2020-5643?: CVE-2020-5643 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-2020-5643 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5643?: CVE-2020-5643 affects Cybozu Garoon. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-5643?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-5643 published?: CVE-2020-5643 was published on 2020-11-06 and last updated on 2026-06-17.

References

Affected products (1)

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

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