CVE-2021-39177
unknown
CVSS v3
—
CVSS v4 NEW
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VIR risk
—
Description
User impersonation due to incorrect handling of the login JWT
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 |
|---|---|---|---|
| Maven | org.geysermc:connector | <1.4.2-SNAPSHOT | 1.4.2-SNAPSHOT |
References
- https://github.com/GeyserMC/Geyser/security/advisories/GHSA-h77f-xxx7-4858
- https://nvd.nist.gov/vuln/detail/CVE-2021-39177
- https://github.com/GeyserMC/Geyser/commit/b9541505af68ac7b7c093206ac7b1ba88957a5a6
- https://github.com/GeyserMC/Geyser
- https://updates.playhive.com/weekend-maintenance-disclosure-2kJMaY
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.