CVE-2021-20633
Improper access control vulnerability in Cabinet of Cybozu Office 10.0.0 to 10.8.4 allows authenticated attackers to bypass access restriction and obtain the date of Cabinet via unspecified vectors.
Does this matter?
Lower severity and a low EPSS score (0.75%). Track it; it rarely justifies an emergency change on its own.
Description
Improper access control vulnerability in Cabinet of Cybozu Office 10.0.0 to 10.8.4 allows authenticated attackers to bypass access restriction and obtain the date of Cabinet via unspecified vectors.
- CVSS 3.1
- 4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 0.75% probability · 55th 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/36869/Vendor Advisory
- https://jvn.jp/en/jp/JVN45797538/index.htmlThird Party Advisory
- https://kb.cybozu.support/article/36869/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.