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Medium severity · published Mar 18, 2021
CVE-2021-20624
Improper access control vulnerability in Scheduler of Cybozu Office 10.0.0 to 10.8.4 allows an authenticated attacker to bypass access restriction and alter the data of Scheduler…
6.5
CVSS
0.8%
EPSS
No
On KEV
Description
Improper access control vulnerability in Scheduler of Cybozu Office 10.0.0 to 10.8.4 allows an authenticated attacker to bypass access restriction and alter the data of Scheduler via unspecified vectors.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% 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
Affected product
OF
Office
Cybozu
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20624
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20624
Third Party Advisory
https://jvn.jp/en/jp/JVN45797538/index.html
Vendor Advisory
https://kb.cybozu.support/article/36866/
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