What is CVE-2023-47573?

CVE-2023-47573 is a high-severity vulnerability in Relyum Rely-Pcie, classified under Missing Authorization. CVSS score: 8.8/10. Published 2023-12-13.

How severe is CVE-2023-47573?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Relyum Rely-Pcie

CVE-2023-47573

An issue discovered in Relyum RELY-PCIe 22.2.1 devices. The authorization mechanism is not enforced in the web interface, allowing a low-privileged user to execute administrative functions.

Vulnerability class: Broken Access Control

Published 2023-12-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (50.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Relyum Rely-Pcie
Relyum Rely-Pcie Firmware — versions 22.2.1
Relyum Rely-Rec
Relyum Rely-Rec Firmware — versions 23.1.0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

www.relyum.com/web/support/vulnerability-report/ (Vendor Advisory)

Frequently asked questions

What is CVE-2023-47573?: CVE-2023-47573 is a high-severity vulnerability in Relyum Rely-Pcie, classified under Missing Authorization. CVSS score: 8.8/10. Published 2023-12-13.
How severe is CVE-2023-47573?: High severity. CVSS v3 base score is 8.8 out of 10.