Security readout for executives and security teams
Plain-English summary
CVE-2020-29441 lets an unauthenticated attacker upload arbitrary files through the Upload Widget in OutSystems Platform 10 before 10.0.1019.0. Business impact is mainly service disruption and data integrity risk: database space can be exhausted, asynchronous file processing can corrupt legitimate data, or legitimate uploads can become inaccessible.
Executive priority
Treat this as a high-priority operational risk for affected OutSystems Platform 10 deployments. It does not indicate data theft in the supplied evidence, but unauthenticated uploads can disrupt service and damage legitimate application data flows.
Technical view
The issue affects the Upload Widget in OutSystems Platform 10 before 10.0.1019.0. CVSS 3.1 score is 7.2, with network access, low complexity, no privileges, and no user interaction. Reported impacts are integrity and availability, not confidentiality. The source bundle does not provide CWE details.
Likely exposure
Exposure is most likely where OutSystems Platform 10 applications before 10.0.1019.0 use the Upload Widget, especially on externally reachable routes. The structured affected-product fields are incomplete, so asset confirmation should come from platform inventory and OutSystems advisory guidance.
Exploitation context
The provided sources do not state active exploitation, and the CVE is not listed as KEV in the bundle. The vulnerability is still operationally relevant because unauthenticated upload behavior can create denial-of-service and data-integrity consequences without requiring credentials.
Researcher notes
Focus validation on version, Upload Widget usage, route exposure, and operational indicators. Avoid assuming arbitrary code execution or confidentiality impact; the supplied CVSS vector marks confidentiality as none. The source bundle does not include exploit details, CWE classification, or broad affected-product metadata.
Mitigation direction
- Check the OutSystems advisory for official remediation guidance.
- Identify Platform 10 instances older than 10.0.1019.0.
- Prioritize upgrading affected instances to 10.0.1019.0 or later if applicable.
- Restrict exposure of affected upload routes where business operations allow.
- Monitor database capacity and upload-processing failures until remediation is complete.
Validation and detection
- Inventory OutSystems Platform versions across production and staging.
- Confirm whether applications use the Upload Widget.
- Review public routes that expose file upload functionality.
- Check logs for unauthenticated upload activity and unusual upload volumes.
- Review database growth and upload-processing error trends.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Database behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-29441 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.2 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AC:L/AV:N/A:L/C:N/I:L/PR:N/S:C/UI:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AC:L/AV:N/A:L/C:N/I:L/PR:N/S:C/UI:N3.92.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.2HighVector: CVSS:3.1/AC:L/AV:N/A:L/C:N/I:L/PR:N/S:C/UI:N
Source materials
- CVE List V5 sourceCVE List V5
- https://success.outsystems.com/Support/Security/Vulnerabilities/Vulnerability_RPD-4310CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.