Open Redirect in Cybozu Remote Service Manager

CVE-2021-20806

Open redirect vulnerability in Cybozu Remote Service 3.0.0 to 3.1.9 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via unspecified vectors.

Vulnerability class: Open Redirect

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.008 (55.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-20806: held from 0.008 to 0.008.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-20806?
CVE-2021-20806 is a medium-severity vulnerability in Cybozu Remote Service Manager, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2021-10-13.
How severe is CVE-2021-20806?
Medium severity. CVSS v3 base score is 6.1 out of 10.