Home/CVE/The Connection handler in Hazelcast and Hazelcast Jet allows a remote unauthenticated attacker to access and manipulate
CVE

CVE-2022-36437

The Connection handler in Hazelcast and Hazelcast Jet allows a remote unauthenticated attacker to access and manipulate

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.

CRITICAL · CVSS 9.1 EPSS 0.00373
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-384Session Fixation
CWE-384Session Fixation
▤

Affected Products & Versions

6
hazelcast< 3.12.13
hazelcast>= 4.0.0 and < 4.1.10
hazelcast>= 4.2.0 and < 4.2.6
hazelcast>= 5.0.0 and < 5.0.4
hazelcast>= 5.1.0 and < 5.1.3
hazelcast hazelcast-jet< 4.5.4
▤

Affected Packages

4
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven com.hazelcast.jet:hazelcast-jet CRITICAL fixed in 4.5.4
Maven com.hazelcast.jet:hazelcast-jet-enterprise CRITICAL fixed in 4.5.4
Maven com.hazelcast:hazelcast CRITICAL fixed in 3.12.13
Maven com.hazelcast:hazelcast-enterprise CRITICAL fixed in 3.12.13
▣

Scoring & Timeline

9.1
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD29 Dec 2022 · 11:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

3
rhsaRHSA-2023:3954Moderate
rhsaRHSA-2023:0483Critical
rhsaRHSA-2023:0661Critical
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/hazelcast/hazelcast/security/advisories/GHSA-c5hg-mr8r-f6jpThird Party Advisory
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