CVE-2018-21261
First published: Fri Jun 19 2020(Updated: )
An issue was discovered in Mattermost Server before 4.8.1, 4.7.4, and 4.6.3. An e-mail invite accidentally included the team invite_id, which leads to unintended excessive invitation privileges.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mattermost | >=4.6.0<4.6.3 | |
| Mattermost | >=4.7.0<4.7.4 | |
| Mattermost | >=4.8.0<4.8.1 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2018-21261?
CVE-2018-21261 has been rated as a medium severity vulnerability due to the risk of excessive invitation privileges.
How do I fix CVE-2018-21261?
To fix CVE-2018-21261, update your Mattermost Server to version 4.8.1 or later, or to versions 4.7.4 and 4.6.3.
What are the consequences of CVE-2018-21261?
The consequences of CVE-2018-21261 include unintended excessive invitation privileges that may lead to unauthorized access.
Which versions of Mattermost Server are affected by CVE-2018-21261?
CVE-2018-21261 affects Mattermost Server versions prior to 4.6.3, 4.7.4, and 4.8.1.
Is there a workaround for CVE-2018-21261?
There is no official workaround for CVE-2018-21261; upgrading to the latest version is the recommended solution.
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/author
- agent/last-modified-date
- agent/severity
- agent/references
- agent/description
- agent/softwarecombine
- agent/type
- agent/first-publish-date
- agent/event
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- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/mattermost
- canonical/mattermost
- version/mattermost/4.6.0
- version/mattermost/4.7.0
- version/mattermost/4.8.0