CVE-2022-41217: Cloudflow - Unauthenticated file upload vulnerability

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-02-22 · updated 2026-06-17
Weakness: CWE-434

Description

Cloudflow contains a unauthenticated file upload vulnerability, which makes it possible for an attacker to upload malicious files to the CLOUDFLOW PROOFSCOPE built-in storage.

Affected products

Hybrid Software Cloudflow: from 2.0.0 before 2.3.2 — fixed in 2.3.2

How to fix

Upgrade to a fixed version: Hybrid Software Cloudflow 2.3.2. Check the vendor advisory for mitigations.

References

https://csirt.divd.nl/CVE-2022-41217
https://csirt.divd.nl/DIVD-2022-00052
https://csirt.divd.nl/CVE-2022-41217
https://csirt.divd.nl/DIVD-2022-00052

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