Deserialization in Hazelcast

CVE-2016-10750

In Hazelcast before 3.11, the cluster join procedure is vulnerable to remote code execution via Java deserialization. If an attacker can reach a listening Hazelcast instance with a crafted JoinRequest, and vulnerable classes exist in the classpath, the attacker can run arbitrary code.

Vulnerability class: Insecure Deserialization

EPSS: 0.039 (89.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-10750?
CVE-2016-10750 is a high-severity vulnerability in Hazelcast, classified under Deserialization of Untrusted Data. CVSS score: 8.1/10. Published 2019-05-22.
How severe is CVE-2016-10750?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2016-10750 known to be exploited?
6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.