VDB-217066 · CVE-2022-4861 · GCVE-0-2022-4861

M-Files Server up to 22.3.11237.1 Token incorrect implementation of authentication algorithm

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.9	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in M-Files Server. This vulnerability affects unknown code of the component Token Handler. Executing a manipulation can lead to incorrect implementation of authentication algorithm. This vulnerability is handled as CVE-2022-4861. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in M-Files Server and classified as problematic. This vulnerability affects an unknown part of the component Token Handler. The manipulation with an unknown input leads to a incorrect implementation of authentication algorithm vulnerability. The CWE definition for the vulnerability is CWE-303. The requirements for the product dictate the use of an established authentication algorithm, but the implementation of the algorithm is incorrect. As an impact it is known to affect confidentiality. CVE summarizes:

Incorrect implementation in authentication protocol in M-Files Client before 22.5.11356.0 allows high privileged user to get other users tokens to another resource.

The weakness was released 12/30/2022. The advisory is available at m-files.com. This vulnerability was named CVE-2022-4861 since 12/30/2022. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

Upgrading to version 22.5.11356.0 eliminates this vulnerability.

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

Productinfo

Vendor

M-Files

Name

Server

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.9
VulDB Meta Temp Score: 3.9

VulDB Base Score: 2.0
VulDB Temp Score: 1.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.9
NVD Vector: 🔍

CNA Base Score: 4.8
CNA Vector (M-Files Corporation): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Incorrect implementation of authentication algorithm
CWE: CWE-303
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Server 22.5.11356.0

Timelineinfo

12/30/2022 🔍
12/30/2022 +0 days 🔍
12/30/2022 +0 days 🔍
02/23/2026 +1151 days 🔍

Sourcesinfo

Advisory: m-files.com
Status: Confirmed

CVE: CVE-2022-4861 (🔍)
GCVE (CVE): GCVE-0-2022-4861
GCVE (VulDB): GCVE-100-217066

Entryinfo

Created: 12/30/2022 17:22
Updated: 02/23/2026 12:23
Changes: 12/30/2022 17:22 (48), 01/26/2023 10:01 (11), 08/28/2024 15:04 (17), 04/28/2025 09:59 (3), 02/23/2026 12:23 (1)
Complete: 🔍
Cache ID: 216::103