What is CVE-2020-18667?

CVE-2020-18667 is a critical-severity vulnerability in Webport, classified under SQL Injection. CVSS score: 9.8/10. Published 2021-06-24.

How severe is CVE-2020-18667?

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

SQL Injection in Webport

CVE-2020-18667

SQL Injection vulnerability in WebPort <=1.19.1 via the new connection, parameter name in type-conn.

Vulnerability class: SQL Injection

Published 2021-06-24 · 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: 0.014 (70.7th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Webport

Weakness classification (CWE)

CWE-89 — SQL Injection

References

github.com/LoRexxar/CVE_Request/blob/master/web port mul vuls before v1.19.1/we… (Exploit, Third Party Advisory)
www.seebug.org/vuldb/ssvid-97998 (Third Party Advisory)

Frequently asked questions

What is CVE-2020-18667?: CVE-2020-18667 is a critical-severity vulnerability in Webport, classified under SQL Injection. CVSS score: 9.8/10. Published 2021-06-24.
How severe is CVE-2020-18667?: Critical severity. CVSS v3 base score is 9.8 out of 10.