CVE-2021-43445 - Vulnerability Details - OpenCVE

Description

ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An attacker can authenticate with the web socket service of the ONLYOFFICE document editor which is protected by JWT auth by using a default JWT signing key.

Published: 2023-01-23

Score: 9.8 Critical

EPSS: 1.9% 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: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-2021-30378	ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An attacker can authenticate with the web socket service of the ONLYOFFICE document editor which is protected by JWT auth by using a default JWT signing key.

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

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.01915.

Exploitation none

Automatable yes

Technical Impact total

References

Link	Providers
https://github.com/ONLYOFFICE/server
https://labs.nettitude.com/blog/exploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution/
https://www.onlyoffice.com/

History

Wed, 02 Apr 2025 16:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Onlyoffice Server

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2023-01-23T00:00:00.000Z

Updated: 2025-04-02T16:04:58.533Z

Reserved: 2021-11-08T00:00:00.000Z

Link: CVE-2021-43445

Vulnrichment

Updated: 2024-08-04T03:55:28.937Z

NVD

Status : Modified

Published: 2023-01-23T15:15:13.280

Modified: 2025-04-02T16:15:18.740

Link: CVE-2021-43445

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-287

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