CVE-2022-39833 — FileCloud Versions 20

FileCloud Versions 20.2 and later allows remote attackers to potentially cause unauthorized remote code execution and access to reported API endpoints via a crafted HTTP request.

01What is this vulnerability?

FileCloud Versions 20.2 and later allows remote attackers to potentially cause unauthorized remote code execution and access to reported API endpoints via a crafted HTTP request.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-11-23T00:00:00.000Z
• Last modified: 2025-04-25T20:24:08.312Z

09References

• www.filecloud.com — https://www.filecloud.com/supportdocs/fcdoc/latest/server/security-advisories/20…
• gist.github.com — https://gist.github.com/DylanGrl/4b4e0d53bb7626b2ab3f834ec5a2b23c