What is CVE-2020-20402?

CVE-2020-20402 is a high-severity vulnerability in Portfoliocms Project, classified under Improper Authentication. CVSS score: 7.5/10. Published 2023-01-31.

How severe is CVE-2020-20402?

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

Is CVE-2020-20402 known to be exploited?

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

Auth bypass in Portfoliocms Project

CVE-2020-20402

Westbrookadmin portfolioCMS v1.05 allows attackers to bypass password validation and access sensitive information via session fixation.

Vulnerability class: Broken Authentication

Published 2023-01-31 · 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: 0.007 (53.2th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Portfoliocms Project — versions 1.0.5

Weakness classification (CWE)

CWE-287 — Improper Authentication

Public proof-of-concept exploits

Live-Hack-CVE/CVE-2020-20402

References

github.com/Westbrookadmin/portfolioCMS/issues/2 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-20402?: CVE-2020-20402 is a high-severity vulnerability in Portfoliocms Project, classified under Improper Authentication. CVSS score: 7.5/10. Published 2023-01-31.
How severe is CVE-2020-20402?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-20402 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.