Open Forms is an application for creating and publishing smart forms. Open Forms supports file uploads as one of the form field types. These fields can be configured to allow only certain file extensions to be uploaded by end users (e.g. only PDF / Excel / ...). The input validation of uploaded files is insufficient in versions prior to 1.0.9 and 1.1.1. Users could alter or strip file extensions to bypass this validation. This results in files being uploaded to the server that are of a different file type than indicated by the file name extension. These files may be downloaded (manually or automatically) by staff and/or other applications for further processing. Malicious files can therefore find their way into internal/trusted networks. Versions 1.0.9 and 1.1.1 contain patches for this issue. As a workaround, an API gateway or intrusion detection solution in front of open-forms may be able to scan for and block malicious content before it reaches the Open Forms application.
CVE-2022-31041
This high-severity CVE scores 7.6 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 59% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.6
- EG Score
- 7.6(medium)
- EPSS
- 51.0%
- KEV
- Not listed
Published
June 13, 2022
Last Modified
November 21, 2024
References (4)
- security-advisories@githubhttps://github.com/open-formulieren/open-forms/commit/0978a29e821a7228c5d46c0527c3e925eb91b071
- security-advisories@githubhttps://github.com/open-formulieren/open-forms/security/advisories/GHSA-h85r-xv4w-cg8g
- af854a3a-2127-422b-91ae-364da2661108https://github.com/open-formulieren/open-forms/commit/0978a29e821a7228c5d46c0527c3e925eb91b071
- af854a3a-2127-422b-91ae-364da2661108https://github.com/open-formulieren/open-forms/security/advisories/GHSA-h85r-xv4w-cg8g
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 12× in last 7d / 48× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Frequently asked(5)
What is CVE-2022-31041?
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What is the CVSS score of CVE-2022-31041?
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Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2022-31041
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