How severe is CVE-2023-4337?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Broadcom Lsi Storage Authority (Lsa)

CVE-2023-4337

Broadcom RAID Controller web interface is vulnerable to improper session handling of managed servers on Gateway installation

Published 2023-08-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (51.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.4% 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

Broadcom Lsi Storage Authority (Lsa) — versions 0
Broadcom Raid Controller Web Interface — versions 51.12.0-2779
Intel Raid Web Console 3 (Rwc3) — versions 0

References

Frequently asked questions

What is CVE-2023-4337?: CVE-2023-4337 is a critical-severity vulnerability in Broadcom Lsi Storage Authority (Lsa). CVSS score: 9.8/10. Published 2023-08-15.
How severe is CVE-2023-4337?: Critical severity. CVSS v3 base score is 9.8 out of 10.