What is CVE-2021-20800?

CVE-2021-20800 is a medium-severity vulnerability in Cybozu Remote Service Manager, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-10-13.

How severe is CVE-2021-20800?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Cybozu Remote Service Manager

CVE-2021-20800

Cross-site scripting vulnerability in the management screen of Cybozu Remote Service 3.1.8 allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (44.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Cybozu Remote_service_manager — versions 3.1.8
Cybozu, Inc. Cybozu Remote Service — versions 3.1.8

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-2021-20800?: CVE-2021-20800 is a medium-severity vulnerability in Cybozu Remote Service Manager, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-10-13.
How severe is CVE-2021-20800?: Medium severity. CVSS v3 base score is 5.4 out of 10.