What is CVE-2021-34675?

CVE-2021-34675 is a high-severity vulnerability in Basixonline Nex-Forms, classified under Improper Authentication. CVSS score: 7.5/10. Published 2021-07-19.

How severe is CVE-2021-34675?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-34675 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Basixonline Nex-Forms

CVE-2021-34675

Basix NEX-Forms through 7.8.7 allows authentication bypass for stored PDF reports.

Vulnerability class: Broken Authentication

Published 2021-07-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.018 (77.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Basixonline Nex-Forms

Weakness classification (CWE)

CWE-287 — Improper Authentication

Public proof-of-concept exploits

References

basixonline.net/nex-forms-wordpress-form-builder-demo/change-log/ (Release Notes, Vendor Advisory)
github.com/rauschecker/CVEs/tree/main/CVE-2021-34675 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-34675?: CVE-2021-34675 is a high-severity vulnerability in Basixonline Nex-Forms, classified under Improper Authentication. CVSS score: 7.5/10. Published 2021-07-19.
How severe is CVE-2021-34675?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-34675 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.