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

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 software 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.

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

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

Productinfo

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CPE 2.3info

CPE 2.2info

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
ATT&CK: Unknown

Local: No
Remote: Partially

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 CVE reserved
01/23/2023 +441 days Advisory disclosed
01/23/2023 +0 days VulDB entry created
02/18/2023 +26 days VulDB last update

Sourcesinfo

Advisory: labs.nettitude.com
Status: Not defined

CVE: CVE-2021-43447 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/23/2023 06:52 PM
Updated: 02/18/2023 01:23 PM
Changes: 01/23/2023 06:52 PM (41), 02/18/2023 01:23 PM (11)
Complete: 🔍

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