What is CVE-2020-20595?

CVE-2020-20595 is a medium-severity vulnerability in Opms Project, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2021-12-22.

How severe is CVE-2020-20595?

Medium severity. CVSS v3 base score is 6.5 out of 10.

CSRF in Opms Project

CVE-2020-20595

A cross-site request forgery (CSRF) in OPMS v1.3 and below allows attackers to arbitrarily add a user account via /user/add.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2021-12-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.005 (37.4th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Opms Project — versions 1.3

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

github.com/lock-upme/OPMS/issues/25 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-20595?: CVE-2020-20595 is a medium-severity vulnerability in Opms Project, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2021-12-22.
How severe is CVE-2020-20595?: Medium severity. CVSS v3 base score is 6.5 out of 10.