Mattermost Server up to 7.10.2 Board Attachment authorization

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.
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Mattermost Server up to 7.10.2. This affects an unknown part of the component Board Attachment Handler. Performing a manipulation results in authorization. This vulnerability is identified as CVE-2023-3590. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Mattermost Server up to 7.10.2. This affects an unknown functionality of the component Board Attachment Handler. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. This is going to have an impact on confidentiality. The summary by CVE is:

Mattermost fails to delete card attachments in Boards, allowing an attacker to access deleted attachments.

The weakness was released 07/17/2023. It is possible to read the advisory at mattermost.com. This vulnerability is uniquely identified as CVE-2023-3590 since 07/10/2023. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 7.10.3 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.5

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 3.1
CNA Vector (Mattermost, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Authorization
CWE: CWE-863 / CWE-285 / CWE-266
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 7.10.3

Timelineinfo

07/10/2023 🔍
07/17/2023 +7 days 🔍
07/17/2023 +0 days 🔍
08/06/2023 +20 days 🔍

Sourcesinfo

Advisory: mattermost.com
Status: Confirmed

CVE: CVE-2023-3590 (🔍)
GCVE (CVE): GCVE-0-2023-3590
GCVE (VulDB): GCVE-100-234291

Entryinfo

Created: 07/17/2023 19:13
Updated: 08/06/2023 15:23
Changes: 07/17/2023 19:13 (49), 08/06/2023 15:23 (11)
Complete: 🔍
Cache ID: 216::103

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