Remote Unauth Access via ConnectionHandler in Hazelcast 5.1.2
CVE-2022-36437 Published on December 29, 2022

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.

Github Repository Github Repository NVD

Vulnerability Analysis

CVE-2022-36437 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
NONE

Weakness Type

Session Fixation

Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.


Products Associated with CVE-2022-36437

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Vulnerable Packages

The following package name and versions may be associated with CVE-2022-36437

Package Manager Vulnerable Package Versions Fixed In
maven com.hazelcast:hazelcast-enterprise >= 4.1, <= 4.1.9 4.1.10
maven com.hazelcast:hazelcast <= 3.12.12 3.12.13
maven com.hazelcast:hazelcast >= 4.0, <= 4.0.6
maven com.hazelcast:hazelcast >= 4.1, <= 4.1.9 4.1.10
maven com.hazelcast:hazelcast >= 4.2, <= 4.2.5 4.2.6
maven com.hazelcast:hazelcast >= 5.0, <= 5.0.3 5.0.4
maven com.hazelcast:hazelcast >= 5.1, <= 5.1.2 5.1.3
maven com.hazelcast.jet:hazelcast-jet <= 4.5.3 4.5.4
maven io.apiman:apiman-distro-vertx < 3.0.0.Final 3.0.0.Final
maven io.apiman:apiman-gateway-platforms-vertx < 3.0.0.Final 3.0.0.Final
maven com.hazelcast.jet:hazelcast-jet-enterprise <= 4.5.3 4.5.4
maven com.hazelcast:hazelcast-enterprise <= 3.12.12 3.12.13
maven com.hazelcast:hazelcast-enterprise >= 5.1, <= 5.1.2 5.1.3
maven com.hazelcast:hazelcast-enterprise >= 5.0, <= 5.0.3 5.0.4
maven com.hazelcast:hazelcast-enterprise >= 4.2, <= 4.2.5 4.2.6
maven com.hazelcast:hazelcast-enterprise >= 4.0, <= 4.0.6

Exploit Probability

EPSS
0.37%
Percentile
59.28%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.