CVE-2021-20803

5.4 mediumEPSS 0.7%

Medium (5.4) in cybozu remote service manager. EPSS 0.7% chance of exploitation in the next 30 days.

Operation restriction bypass in the management screen of Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote authenticated attacker to alter the data of the management screen.

Severity

CVSS 3.1

5.4 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 53% of CVEs (scores of 2026-10-31)
CWE: CWE-863
Published: 2021-10-13
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

cybozu:remote_service_manager

References

https://jvn.jp/en/jp/JVN52694228/index.html
https://kb.cybozu.support/article/37421
https://jvn.jp/en/jp/JVN52694228/index.html
https://kb.cybozu.support/article/37421

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