ONLYOFFICE Server 2021-11-08 Signed Document access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in ONLYOFFICE Server 2021-11-08. The affected element is an unknown function of the component Signed Document Handler. Such manipulation leads to access control. This vulnerability is referenced as CVE-2021-43444. Furthermore, an exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in ONLYOFFICE Server 2021-11-08. Affected by this issue is an unknown function of the component Signed Document Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. Signed document download URLs can be forged due to a weak default URL signing key.

The weakness was published 01/23/2023. The advisory is available at labs.nettitude.com. This vulnerability is handled as CVE-2021-43444 since 11/08/2021. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The exploit is available 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.6
VulDB Temp Score: 4.2
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: Access control
CWE: CWE-284 / CWE-266
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-2021-43444 (🔍)
GCVE (CVE): GCVE-0-2021-43444
GCVE (VulDB): GCVE-100-219170
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 13:35 (11), 04/02/2025 23:31 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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