Deserialization in Bdew Bdlib
CVE-2021-33806
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.
Vulnerability class: Insecure Deserialization
EPSS: 0.030 (86.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Bdew Bdlib
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
- cve@mitre.org (Product, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-33806?
- CVE-2021-33806 is a critical-severity vulnerability in Bdew Bdlib, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2021-06-03.
- How severe is CVE-2021-33806?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-33806 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.