What is CVE-2021-20628?

CVE-2021-20628 is a medium-severity vulnerability in Cybozu Office, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-03-18.

How severe is CVE-2021-20628?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Cybozu Office

CVE-2021-20628

Cross-site scripting vulnerability in Address Book of Cybozu Office 10.0.0 to 10.8.4 allows remote attackers to inject an arbitrary script via unspecified vectors. Note that this vulnerability occurs only when using Mozilla Firefox.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.008 (53.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

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

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

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-2021-20628?: CVE-2021-20628 is a medium-severity vulnerability in Cybozu Office, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-03-18.
How severe is CVE-2021-20628?: Medium severity. CVSS v3 base score is 6.1 out of 10.