What is CVE-2018-6324?

CVE-2018-6324 is a medium-severity vulnerability in F-Secure Radar, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2018-02-16.

How severe is CVE-2018-6324?

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

Open Redirect in F-Secure Radar

CVE-2018-6324

F-Secure Radar (on-premises) before 2018-02-15 has an Unvalidated Redirect via the ReturnUrl parameter that triggers upon a user login.

Vulnerability class: Open Redirect

Published 2018-02-16 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.009 (59.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

F-Secure Radar

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

www.securityfocus.com/bid/103208 (VDB Entry, Third Party Advisory, vdb-entry)
oscarhjelm.com/blag/2018/02/f-secure-radar-login-page-unvalidated-redirect-vuln… (Third Party Advisory)

Frequently asked questions

What is CVE-2018-6324?: CVE-2018-6324 is a medium-severity vulnerability in F-Secure Radar, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2018-02-16.
How severe is CVE-2018-6324?: Medium severity. CVSS v3 base score is 6.1 out of 10.