CVE-2021-3199 - Vulnerability Details - OpenCVE

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.

Published: 2021-01-22

Score: 9.8 Critical

EPSS: 8.2% Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:onlyoffice:document_server:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-26539	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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.08215.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/ONLYOFFICE/DocumentServer/blob/903fe5ab7a275bd69c3c3346af2d21cf87ebeabf/CHANGELOG.md#563
https://github.com/moehw/poc_exploits/tree/master/CVE-2021-3199/poc_uploadImageFile.py
https://github.com/nola-milkin/poc_exploits/blob/master/CVE-2021-3199/poc_uploadImageFile.py

History

No history.

Subscriptions

Onlyoffice Document Server

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-01-22T02:41:34.000Z

Updated: 2024-08-03T16:45:51.411Z

Reserved: 2021-01-21T00:00:00.000Z

Link: CVE-2021-3199

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-01-26T18:16:28.507

Modified: 2026-06-17T04:04:50.010

Link: CVE-2021-3199

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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