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Fencer Intel
high 8.1

CVE-2019-20484 json

An issue was discovered in Viki Vera 4.9.1.26180.

published 5y ago modified 4mo ago also EUVD-2019-11028

cvss
8.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits
0
none known

Summary

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.

Is CVE-2019-20484 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • gosecure.net https://www.gosecure.net/blog/2020/12/15/vera-stored-xss-improper-access-control/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
NVD 2.0 5.5 AV:N/AC:L/Au:S/C:P/I:P/A:N

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.