Is CVE-2021-20795 actively exploited?

No active exploitation of CVE-2021-20795 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-20795 be exploited remotely?

Yes. CVE-2021-20795 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-20795?

CVE-2021-20795 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2021-20795

CWE-352Published: October 13, 2021· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

Cross-site request forgery (CSRF) vulnerability in the management screen of Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote attacker to hijack the authentication of administrators and unintended operations may be performed via unspecified vectors.

NVD Source

Technical Analysis

CVE-2021-20795 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.