CVE-2021-20625
Improper access control vulnerability in Bulletin Board of Cybozu Office 10.0.0 to 10.8.4 allows an authenticated attacker to bypass access restriction and alter the data of Bulletin Board via unspecified vectors.
Does this matter?
Lower severity and a low EPSS score (0.67%). Track it; it rarely justifies an emergency change on its own.
Description
Improper access control vulnerability in Bulletin Board of Cybozu Office 10.0.0 to 10.8.4 allows an authenticated attacker to bypass access restriction and alter the data of Bulletin Board via unspecified vectors.
- CVSS 3.1
- 4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- EPSS
- 0.67% probability · 52th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- cybozu/office
- Source
- vultures@jpcert.or.jp
EPSS 0.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://jvn.jp/en/jp/JVN45797538/index.htmlThird Party Advisory
- https://kb.cybozu.support/article/36874/Vendor Advisory
- https://jvn.jp/en/jp/JVN45797538/index.htmlThird Party Advisory
- https://kb.cybozu.support/article/36874/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.