Open Redirect in Microsoft Exchange_server

CVE-2017-8621

Microsoft Exchange Server 2010 SP3, Exchange Server 2013 SP3, Exchange Server 2013 CU16, and Exchange Server 2016 CU5 allows an open redirect vulnerability that could lead to spoofing, aka "Microsoft Exchange Open Redirect Vulnerability".

Vulnerability class: Open Redirect

EPSS: 0.011 (78.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-8621?
CVE-2017-8621 is a medium-severity vulnerability in Microsoft Exchange_server, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2017-07-11.
How severe is CVE-2017-8621?
Medium severity. CVSS v3 base score is 6.1 out of 10.