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CRITICAL · 9.1

CVE-2022-36437

The Connection handler in Hazelcast and Hazelcast Jet allows a remote unauthenticated attacker to access and manipulate data in the cluster with the identity of another already authenticated connectio...

Vulnerability Description

The Connection handler in Hazelcast and Hazelcast Jet allows a remote unauthenticated attacker to access and manipulate data in the cluster with the identity of another already authenticated connection. The affected Hazelcast versions are through 4.0.6, 4.1.9, 4.2.5, 5.0.3, and 5.1.2. The affected Hazelcast Jet versions are through 4.5.3.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
HazelcastHazelcast< 3.12.13
HazelcastHazelcast-Jet< 4.5.4

Related Weaknesses (CWE)

CWE-384

References

FAQ

What is CVE-2022-36437?

CVE-2022-36437 is a vulnerability with a CVSS score of 9.1 (CRITICAL). The Connection handler in Hazelcast and Hazelcast Jet allows a remote unauthenticated attacker to access and manipulate data in the cluster with the identity of another already authenticated connectio...

How severe is CVE-2022-36437?

CVE-2022-36437 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2022-36437?

Check the references section above for vendor advisories and patch information. Affected products include: Hazelcast Hazelcast, Hazelcast Hazelcast-Jet.