cvedb.io
CVE-2021-3199
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2021-01-26T18:16:28.507 · Last modified 2026-06-17T04:04:50.010

Summary

Directory traversal with remote code execution can occur in /upload in ONLYOFFICE Document Server before 5.6.3, when JWT is used, via a /.. sequence in an image upload parameter.

Affected products

onlyoffice — document_server

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.