What is CVE-2021-20758?

CVE-2021-20758 is a high-severity vulnerability in Cybozu Garoon, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.0/10. Published 2021-08-18.

How severe is CVE-2021-20758?

High severity. CVSS v3 base score is 8.0 out of 10.

CSRF in Cybozu Garoon

CVE-2021-20758

Cross-site request forgery (CSRF) vulnerability in Message of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote authenticated attacker to hijack the authentication of administrators and perform an arbitrary operation via unspecified vectors.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.005 (38.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Cybozu Garoon
Cybozu, Inc. Cybozu Garoon — versions 4.0.0 to 5.0.2

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

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

Frequently asked questions

What is CVE-2021-20758?: CVE-2021-20758 is a high-severity vulnerability in Cybozu Garoon, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.0/10. Published 2021-08-18.
How severe is CVE-2021-20758?: High severity. CVSS v3 base score is 8.0 out of 10.