What is CVE-2023-28020?

CVE-2023-28020 is a medium-severity vulnerability in Hcl Software Bigfix Webui, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.7/10. Published 2023-07-18.

How severe is CVE-2023-28020?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Open Redirect in Hcl Software Bigfix Webui

CVE-2023-28020

URL redirection in Login page in HCL BigFix WebUI allows malicious user to redirect the client browser to an external site via redirect URL response header.

Vulnerability class: Open Redirect

Published 2023-07-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (27.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Hcl Software Bigfix Webui — versions All
Hcltech Bigfix Webui

Weakness classification (CWE)

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

References

support.hcltechsw.com/csm (Vendor Advisory)

Frequently asked questions

What is CVE-2023-28020?: CVE-2023-28020 is a medium-severity vulnerability in Hcl Software Bigfix Webui, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.7/10. Published 2023-07-18.
How severe is CVE-2023-28020?: Medium severity. CVSS v3 base score is 4.7 out of 10.