Mattermost Server up to 4.10.2/5.0.2/5.1.0 Signup permission assignment

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Mattermost Server up to 4.10.2/5.0.2/5.1.0. This vulnerability affects unknown code of the component Signup. The manipulation results in permission assignment. This vulnerability is known as CVE-2018-21252. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Mattermost Server up to 4.10.2/5.0.2/5.1.0. Affected is an unknown code block of the component Signup. The manipulation with an unknown input leads to a permission assignment vulnerability. CWE is classifying the issue as CWE-732. The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Mattermost Server before 5.2, 5.1.1, 5.0.3, and 4.10.3. Attackers could use multiple e-mail addresses to bypass a domain-based policy for signups.

The weakness was published 06/19/2020 (Website). The advisory is available at mattermost.com. This vulnerability is traded as CVE-2018-21252 since 06/19/2020. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

Upgrading to version 4.10.3, 5.0.3, 5.1.1 or 5.2 eliminates this vulnerability.

Similar entries are available at VDB-156956, VDB-156957, VDB-156958 and VDB-156959. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Permission assignment
CWE: CWE-732 / CWE-275 / 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: Mattermost Server 4.10.3/5.0.3/5.1.1/5.2

Timelineinfo

06/19/2020 🔍
06/19/2020 +0 days 🔍
06/21/2020 +2 days 🔍
10/26/2020 +127 days 🔍

Sourcesinfo

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

CVE: CVE-2018-21252 (🔍)
GCVE (CVE): GCVE-0-2018-21252
GCVE (VulDB): GCVE-100-157050
See also: 🔍

Entryinfo

Created: 06/21/2020 09:21
Updated: 10/26/2020 07:33
Changes: 06/21/2020 09:21 (39), 06/21/2020 09:26 (17), 10/26/2020 07:33 (1)
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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