CVE-2018-21253
First published: Fri Jun 19 2020(Updated: )
An issue was discovered in Mattermost Server before 5.1, 5.0.2, and 4.10.2. An attacker could use the invite_people slash command to invite a non-permitted user.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mattermost | <4.10.2 | |
| Mattermost | >=5.0.0<5.0.2 | |
| Mattermost | =5.1.0-rc1 | |
| Mattermost | =5.1.0-rc2 | |
| Mattermost | =5.1.0-rc3 | |
| Mattermost | =5.1.0-rc4 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of CVE-2018-21253?
CVE-2018-21253 has a medium severity level due to the potential unauthorized access it allows.
How do I fix CVE-2018-21253?
To fix CVE-2018-21253, upgrade Mattermost Server to version 5.1.0 or later, or apply the respective patch.
What does CVE-2018-21253 affect?
CVE-2018-21253 affects Mattermost Server versions prior to 5.1.0, 5.0.2, and 4.10.2.
Can CVE-2018-21253 lead to data exposure?
Yes, CVE-2018-21253 can potentially lead to unauthorized users being invited, which may result in data exposure.
Who is impacted by CVE-2018-21253?
Users of Mattermost Server versions prior to the patched releases are impacted by CVE-2018-21253.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/author
- agent/last-modified-date
- agent/severity
- agent/references
- agent/description
- agent/softwarecombine
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/mattermost
- canonical/mattermost
- version/mattermost/5.0.0
- version/mattermost/5.1.0-rc1
- version/mattermost/5.1.0-rc2
- version/mattermost/5.1.0-rc3
- version/mattermost/5.1.0-rc4