CVE-2021-20801

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-10-13 · updated 2026-06-17
Weakness: CWE-611

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.

Affected products

Cybozu, Inc. Cybozu Remote Service: 3.1.8, 3.1.9

References

https://jvn.jp/en/jp/JVN52694228/index.html
https://kb.cybozu.support/article/37423
https://jvn.jp/en/jp/JVN52694228/index.html
https://kb.cybozu.support/article/37423

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