Feed/CVE-2021-3199
CVE-2021-3199CRITICALCVSS 9.8

CVE-2021-3199

Published Jan 26, 2021·Updated Jun 16, 2026

NVD Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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