What’s Vulnerable › Vulnerabilities
CVE-2021-33806
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 3.0% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-06-03 · updated 2026-06-17
- Weakness: CWE-502
Description
The BDew BdLib library before 1.16.1.7 for Minecraft allows remote code execution because it deserializes untrusted data in ObjectInputStream.readObject as part of its use of Java serialization.
Affected products
- Bdew Bdlib: before 1.16.1.7 — fixed in 1.16.1.7
How to fix
Upgrade to a fixed version: Bdew Bdlib 1.16.1.7. Check the vendor advisory for mitigations.
References
- https://bdew.net
- https://github.com/bdew-minecraft/bdlib/commit/447210530ceec72fb3374efecb0930ed359d2297
- https://vuln.ryotak.me/advisories/46
- https://www.curseforge.com/minecraft/mc-mods/bdlib/files/3331330
- https://bdew.net
- https://github.com/bdew-minecraft/bdlib/commit/447210530ceec72fb3374efecb0930ed359d2297
- https://vuln.ryotak.me/advisories/46
- https://www.curseforge.com/minecraft/mc-mods/bdlib/files/3331330
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