What is CVE-2021-3286?

CVE-2021-3286 is a critical-severity vulnerability in Spotweb Project, classified under SQL Injection. CVSS score: 9.8/10. Published 2021-01-26.

How severe is CVE-2021-3286?

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

SQL Injection in Spotweb Project

CVE-2021-3286

SQL injection exists in Spotweb 1.4.9 because the notAllowedCommands protection mechanism is inadequate, e.g., a variation of the payload may be used. NOTE: this issue exists because of an incomplete fix for CVE-2020-35545.

Vulnerability class: SQL Injection

Published 2021-01-26 · 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: 0.010 (62.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Spotweb Project — versions 1.4.9

Weakness classification (CWE)

CWE-89 — SQL Injection

References

github.com/spotweb/spotweb/issues/653 (Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-3286?: CVE-2021-3286 is a critical-severity vulnerability in Spotweb Project, classified under SQL Injection. CVSS score: 9.8/10. Published 2021-01-26.
How severe is CVE-2021-3286?: Critical severity. CVSS v3 base score is 9.8 out of 10.