What is CVE-2021-20634?

CVE-2021-20634 is a medium-severity vulnerability in Cybozu Office. CVSS score: 4.3/10. Published 2021-03-18.

How severe is CVE-2021-20634?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Cybozu Office

CVE-2021-20634

Improper access control vulnerability in Custom App of Cybozu Office 10.0.0 to 10.8.4 allows authenticated attackers to bypass access restriction and obtain the date of Custom App via unspecified vectors.

EPSS: 0.007 (50.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Cybozu Office
Cybozu, Inc. Cybozu Office — versions 10.0.0 to 10.8.4

References

vultures@jpcert.or.jp (Third Party Advisory, x_refsource_MISC)
vultures@jpcert.or.jp (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-20634?: CVE-2021-20634 is a medium-severity vulnerability in Cybozu Office. CVSS score: 4.3/10. Published 2021-03-18.
How severe is CVE-2021-20634?: Medium severity. CVSS v3 base score is 4.3 out of 10.