Medium severity · published Oct 13, 2021
CVE-2021-20801
Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote authenticated attacker to conduct XML External Entity (XXE) attacks and obtain the information stored in the product via…
6.5
CVSS
1.1%
EPSS
No
On KEV
Description
Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote authenticated attacker to conduct XML External Entity (XXE) attacks and obtain the information stored in the product via unspecified vectors. This issue occurs only when using Mozilla Firefox.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RS
Remote Service Manager · Cybozu
3.1.8; 3.1.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20801
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20801
Third Party Advisory
https://jvn.jp/en/jp/JVN52694228/index.html
Vendor Advisory
https://kb.cybozu.support/article/37423
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