M-Files Server 21.11.10775.0/21.12.10873.0 Preview server-side request forgery

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in M-Files Server. This issue affects some unknown processing of the component Preview. Such manipulation leads to server-side request forgery. This vulnerability is listed as CVE-2021-41809. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in M-Files Server and classified as critical. Affected by this issue is some unknown functionality of the component Preview. The manipulation with an unknown input leads to a server-side request forgery vulnerability. Using CWE to declare the problem leads to CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. Impacted is confidentiality.

The weakness was presented 01/19/2022. The advisory is shared for download at m-files.com. This vulnerability is handled as CVE-2021-41809 since 09/29/2021. There are neither technical details nor an exploit publicly available.

Upgrading to version 22.1.11017.1 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CNA Base Score: 3.5
CNA Vector (M-Files Corporation): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Server 22.1.11017.1

Timelineinfo

09/29/2021 🔍
01/19/2022 +112 days 🔍
01/19/2022 +0 days 🔍
02/23/2026 +1496 days 🔍

Sourcesinfo

Advisory: m-files.com
Status: Confirmed

CVE: CVE-2021-41809 (🔍)
GCVE (CVE): GCVE-0-2021-41809
GCVE (VulDB): GCVE-100-191228

Entryinfo

Created: 01/19/2022 16:01
Updated: 02/23/2026 09:43
Changes: 01/19/2022 16:01 (48), 01/26/2022 03:40 (1), 02/23/2026 09:43 (34)
Complete: 🔍
Cache ID: 216::103

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