CVE-2017-18911
unknown
CVSS v3
—
CVSS v4 NEW
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VIR risk
—
Description
Mattermost Server has X.509 Improper Certificate Validation in github.com/mattermost/mattermost-server
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | <3.6.7-rc1 | 3.6.7-rc1 |
| Go | github.com/mattermost/mattermost-server | >=3.7.0,<3.7.5 | 3.7.5 |
| Go | github.com/mattermost/mattermost-server | >=3.8.0,<3.8.2 | 3.8.2 |
| Go | github.com/mattermost/mattermost-server | >=3.8.0+incompatible,<3.8.2+incompatible | 3.6.7-rc1+incompatible |
References
- https://nvd.nist.gov/vuln/detail/CVE-2017-18911
- https://github.com/mattermost/mattermost/commit/222bce0c5c1abb2f58c3a6de1fe8c5d3accffb21
- https://github.com/mattermost/mattermost/commit/691c18157025d4808b5b11de1d6de01050e54fa6
- https://github.com/mattermost/mattermost/commit/e9bb8cdfb4915067349a4840ab15ff941c4eb070
- https://github.com/mattermost/mattermost
- https://mattermost.com/security-updates
- https://github.com/advisories/GHSA-m462-mqw4-2c8m
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.