Medium severity · published Mar 18, 2021
CVE-2021-20632
Improper access control vulnerability in Bulletin Board of Cybozu Office 10.0.0 to 10.8.4 allows authenticated attackers to bypass access restriction and obtain the data of…
4.3
CVSS
0.7%
EPSS
No
On KEV
Description
Improper access control vulnerability in Bulletin Board of Cybozu Office 10.0.0 to 10.8.4 allows authenticated attackers to bypass access restriction and obtain the data of Bulletin Board via unspecified vectors.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OF
Office · Cybozu
10.0.0 through 10.8.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20632
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20632
Third Party Advisory
https://jvn.jp/en/jp/JVN45797538/index.html
Vendor Advisory
https://kb.cybozu.support/article/36870/
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