CVE-2020-29441

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-11-30 · updated 2026-06-17
Weakness: CWE-434

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.

Affected products

Outsystems: from 10 before 10.0.1019.0 — fixed in 10.0.1019.0

How to fix

Upgrade to a fixed version: Outsystems 10.0.1019.0. Check the vendor advisory for mitigations.

References

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

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