ONLYOFFICE Server 2021-11-08 Document Editor improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in ONLYOFFICE Server 2021-11-08. This issue affects some unknown processing of the component Document Editor. The manipulation results in improper authentication. This vulnerability was named CVE-2021-43447. In addition, an exploit is available.

Detailsinfo

A vulnerability classified as critical has been found in ONLYOFFICE Server 2021-11-08. Affected is an unknown code block of the component Document Editor. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An authentication bypass in the document editor allows attackers to edit documents without authentication.

The weakness was presented 01/23/2023. The advisory is shared for download at labs.nettitude.com. This vulnerability is traded as CVE-2021-43447 since 11/08/2021. Technical details are unknown but a public exploit is available.

The exploit is shared for download at labs.nettitude.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/08/2021 🔍
01/23/2023 +441 days 🔍
01/23/2023 +0 days 🔍
04/02/2025 +800 days 🔍

Sourcesinfo

Advisory: labs.nettitude.com
Status: Not defined

CVE: CVE-2021-43447 (🔍)
GCVE (CVE): GCVE-0-2021-43447
GCVE (VulDB): GCVE-100-219168
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/23/2023 18:52
Updated: 04/02/2025 23:31
Changes: 01/23/2023 18:52 (41), 02/18/2023 13:23 (11), 04/02/2025 23:31 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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