CVE-2017-18870
First published: Fri Jun 19 2020(Updated: )
An issue was discovered in Mattermost Server before 4.5.0, 4.4.5, and 4.3.4. It mishandled webhook access control in the EnableOnlyAdminIntegrations case.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mattermost | <4.3.4 | |
| Mattermost | >=4.4.0<4.4.5 | |
| Mattermost | =4.5.0-rc1 | |
| Mattermost | =4.5.0-rc2 | |
| Mattermost | =4.5.0-rc3 | |
| Mattermost | =4.5.0-rc4 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2017-18870?
CVE-2017-18870 is classified as a medium severity vulnerability due to its impact on webhook access control.
How do I fix CVE-2017-18870?
To fix CVE-2017-18870, upgrade your Mattermost Server to version 4.5.0 or later.
Which Mattermost Server versions are affected by CVE-2017-18870?
CVE-2017-18870 affects Mattermost Server versions prior to 4.5.0, including 4.4.0 to 4.4.5 and 4.3.4.
What impact does CVE-2017-18870 have on webhook security?
CVE-2017-18870 allows unauthorized access to webhooks when the EnableOnlyAdminIntegrations setting is enabled.
Is there a workaround for CVE-2017-18870?
There is no official workaround for CVE-2017-18870 other than upgrading to a secure version.
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- vendor/mattermost
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- version/mattermost/4.4.0
- version/mattermost/4.5.0-rc1
- version/mattermost/4.5.0-rc2
- version/mattermost/4.5.0-rc3
- version/mattermost/4.5.0-rc4