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Vulnerability record · CVE-2020-29441 · published 30 November 2020

CVE-2020-29441: Outsystems unrestricted file upload vulnerability

Outsystems · Outsystems

An issue was discovered in the Upload Widget in OutSystems Platform 10 before 10.0.1019.0. An unauthenticated attacker can upload arbitrary files. In some cases, this attack may consume the available database space (Denial of Service), corrupt legitimate data if files are being processed asynchronously, or deny access to legitimate uploaded files.

6.5 CVSS 3.1 Medium EPSS 0.95% · top 40.2% CWE-434 · Unrestricted file upload
6.5CVSS 3.1 base score, v2 6.4
0.95%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in the Upload Widget in OutSystems Platform 10 before 10.0.1019.0. An unauthenticated attacker can upload arbitrary files. In some cases, this attack may consume the available database space (Denial of Service), corrupt legitimate data if files are being processed asynchronously, or deny access to legitimate uploaded files.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://success.outsystems.com/Support/Security/Vulnerabilities/Vulnerability_RPD-4310 Vendor Advisory
https://success.outsystems.com/Support/Security/Vulnerabilities/Vulnerability_RPD-4310 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-29441), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.