What’s Vulnerable › Vulnerabilities

CVE-2021-20775

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-18 · updated 2026-06-17
• Weakness: CWE-20

Description

Improper input validation vulnerability in Bulletin of Cybozu Garoon 4.10.0 to 5.5.0 allows a remote authenticated attacker to obtain the data of Comment and Space without the viewing privilege.

Affected products

• Cybozu, Inc. Cybozu Garoon: from 4.10.0 through 5.5.0

References

• https://cs.cybozu.co.jp/2021/007206.html
• https://jvn.jp/en/jp/JVN54794245/index.html
• https://cs.cybozu.co.jp/2021/007206.html
• https://jvn.jp/en/jp/JVN54794245/index.html

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