Cyber Resilience

CVE-2019-20484

HighPublic PoC

Published: 05 January 2021

Published
05 January 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS Score 0.0022 44.7th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2019-20484 is a high-severity Forced Browsing (CWE-425) vulnerability in Vikisolutions Vera. Its CVSS base score is 8.1 (High).

Operationally, ranked at the 44.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

vikisolutions
vera
4.9.1.26180

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-425

Forcing a decision on every access request, including direct ones, reduces the exploitability of forced browsing by ensuring no unchecked access paths.

addresses: CWE-425

Forces all accesses through the reference monitor, preventing direct or forced requests that bypass checks.

addresses: CWE-425

Enforcing access for all logical requests prevents unauthorized direct access to protected resources.

addresses: CWE-425

Displaying the notification before further access on public systems prevents direct resource requests from bypassing the required system use terms and consent.

addresses: CWE-425

Decoy endpoints catch forced browsing and direct requests, deflecting attackers from legitimate resources while enabling analysis.

addresses: CWE-425

Blocks unauthorized direct requests or forced browsing by denying input access to non-authorized actors.

References