What is CVE-2019-20484?

CVE-2019-20484 is a high-severity vulnerability in Vikisolutions Vera, classified under Direct Request (Forced Browsing). CVSS score: 8.1/10. Published 2021-01-05.

How severe is CVE-2019-20484?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Vikisolutions Vera

CVE-2019-20484

An issue was discovered in Viki Vera 4.9.1.26180. A user without access to a project could download or upload project files by opening the Project URL directly in the browser after logging in.

Published 2021-01-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.009 (58.7th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000

Affected products

Vikisolutions Vera — versions 4.9.1.26180

Weakness classification (CWE)

CWE-425 — Direct Request (Forced Browsing)

References

www.gosecure.net/blog/2020/12/15/vera-stored-xss-improper-access-control/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-20484?: CVE-2019-20484 is a high-severity vulnerability in Vikisolutions Vera, classified under Direct Request (Forced Browsing). CVSS score: 8.1/10. Published 2021-01-05.
How severe is CVE-2019-20484?: High severity. CVSS v3 base score is 8.1 out of 10.