Mattermost Server up to 5.9.7/5.16.4/5.17.2/5.18.0 OAuth Application privileges management

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

A vulnerability has been found in Mattermost Server up to 5.9.7/5.16.4/5.17.2/5.18.0 and classified as critical. This vulnerability affects an unknown code block of the component OAuth Application Handler. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Mattermost Server before 5.19.0, 5.18.1, 5.17.3, 5.16.5, and 5.9.8. Creation of a trusted OAuth application does not always require admin privileges, aka MMSA-2020-0001.

The weakness was released 06/19/2020 (Website). The advisory is shared for download at mattermost.com. This vulnerability was named CVE-2020-14460 since 06/19/2020. The attack can be initiated remotely. The requirement for exploitation is a single authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading to version 5.9.8, 5.16.5, 5.17.3, 5.18.1 or 5.19.0 eliminates this vulnerability.

Entries connected to this vulnerability are available at 156956, 156957, 156958 and 156959.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
ATT&CK: T1068

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: Mattermost Server 5.9.8/5.16.5/5.17.3/5.18.1/5.19.0

Timelineinfo

06/19/2020 🔍
06/19/2020 +0 days 🔍
06/20/2020 +1 days 🔍
10/26/2020 +128 days 🔍

Sourcesinfo

Advisory: mattermost.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-14460 (🔍)
See also: 🔍

Entryinfo

Created: 06/20/2020 08:11
Updated: 10/26/2020 06:52
Changes: 06/20/2020 08:11 (39), 06/20/2020 08:16 (17), 10/26/2020 06:52 (1)
Complete: 🔍

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