QSearchQSearch

CVE-2021-3199

9.8 CRITICAL

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

Published: 2021-01-26 · Last updated: 2026-06-17

Severity and scoring

CVSS
9.8 CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-22

Affected products

VendorProduct
onlyofficedocument_server

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.

Source: NVD

References

Related CVEs

Same vendor

  • CVE-2021-40864 — The Translate plugin 6.1.x through 6.3.x before 6.3.0.72 for ONLYOFFICE Document Server lacks escape calls for the msg.data and text fields (9.8 CRITICAL)

Same CWE

  • CVE-2026-48777 — FileBrowser Quantum is a free, self-hosted, web-based file manager
  • CVE-2026-8442 — The WP Review Slider Pro plugin for WordPress is vulnerable to Arbitrary File Deletion in versions up to and including 12.6.8 (8.1 HIGH)
  • CVE-2026-49766 — Subscriber Arbitrary File Deletion in WP User Manager <= 2.9.16 versions (9.9 CRITICAL)
  • CVE-2026-49061 — Unauthenticated Arbitrary File Download in WPC Product Options for WooCommerce <= 3.2.1 versions (7.5 HIGH)
  • CVE-2026-40779 — Contributor Arbitrary File Deletion in Link Library <= 7.8.8 versions (7.7 HIGH)