CVE-2017-18891
First published: Fri Jun 19 2020(Updated: )
An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows Phishing because an error page can have a link.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mattermost | <4.0.5 | |
| Mattermost | >=4.1.0<4.1.1 | |
| Mattermost | =4.2.0-rc1 | |
| Mattermost | =4.2.0-rc2 | |
| Mattermost | =4.2.0-rc3 | |
| Mattermost | =4.2.0-rc4 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2017-18891?
CVE-2017-18891 is considered a moderate severity vulnerability due to its potential for phishing attacks.
How do I fix CVE-2017-18891?
To fix CVE-2017-18891, upgrade your Mattermost Server to version 4.2.0 or later.
What versions of Mattermost Server are affected by CVE-2017-18891?
CVE-2017-18891 affects Mattermost Server versions prior to 4.2.0, as well as versions 4.1.1 and 4.0.5.
What type of attack does CVE-2017-18891 enable?
CVE-2017-18891 enables phishing attacks by allowing malicious links on error pages.
Is there a workaround for CVE-2017-18891?
There is no official workaround for CVE-2017-18891; the recommended solution is to upgrade the affected software.
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- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
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- agent/description
- agent/first-publish-date
- agent/event
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- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/mattermost
- canonical/mattermost
- version/mattermost/4.1.0
- version/mattermost/4.2.0-rc1
- version/mattermost/4.2.0-rc2
- version/mattermost/4.2.0-rc3
- version/mattermost/4.2.0-rc4