What is CVE-2023-33274?

CVE-2023-33274 is a critical-severity vulnerability in Voltronicpower Snmp Web Pro, classified under Improper Authentication. CVSS score: 9.8/10. Published 2023-07-12.

How severe is CVE-2023-33274?

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

Auth bypass in Voltronicpower Snmp Web Pro

CVE-2023-33274

The authentication mechanism in PowerShield SNMP Web Pro 1.1 contains a vulnerability that allows unauthenticated users to directly access Common Gateway Interface (CGI) scripts without proper identification or authorization. This vulnerability arises from a lack of proper cookie verification and affects all instances of SNMP Web Pro 1.1 without HTTP Digest authentication enabled, regardless of the password used for the web interface.

Vulnerability class: Broken Authentication

Published 2023-07-12 · 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: 0.011 (63.1th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Voltronicpower Snmp Web Pro — versions 1.1

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

gist.github.com/pedromonteirobb/a0584095b46141702c8cae0f3f1b6759 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-33274?: CVE-2023-33274 is a critical-severity vulnerability in Voltronicpower Snmp Web Pro, classified under Improper Authentication. CVSS score: 9.8/10. Published 2023-07-12.
How severe is CVE-2023-33274?: Critical severity. CVSS v3 base score is 9.8 out of 10.