CVE-2021-25830

published 2021-03-01

CVE-2021-25830: A file extension handling issue was found in [core] module of ONLYOFFICE DocumentServer v4.2.0.236-v5.6.4.13. An attacker must request the conversion of the…

Priority P2 66 critical 9.8 CVSS 3.1

AV N AC L PR N UI N S U C H I H A H

A file extension handling issue was found in [core] module of ONLYOFFICE DocumentServer v4.2.0.236-v5.6.4.13. An attacker must request the conversion of the crafted file from DOCT into DOCX format. Using the chain of two other bugs related to improper string handling, an attacker can achieve remote code execution on DocumentServer.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
onlyoffice	document_server	4.2.0.236 – 5.6.4.13	—

CVSS provenance

nvd v3.1 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd v2.0 7.5 HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P

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