CVE-2022-36437

criticalpriority · track · 36EPSS 0.010 · 64 %ileDEEUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
1.05% (64th) EPSS
CVSS 9.1 · critical
Is it mine?
25 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

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.

01

cvss

Technical severity, 0–10. One row per scoring source.

9.1
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.3–9.1

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 5.2
v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · ENISA EU
v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondaryexploitability 3.9 · impact 5.2
v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · OSV
v3.18.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-384USprimaryCWE-384US
04

affected products (25)

Products and version ranges known to be affected.

showing 20 of 25
05

advisories (3)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2023-0317Red Hat FUSE: Schwachstelle ermöglicht Manipulation von DateienDeutsch2023-02-08csaf · cert_bundDE

    Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Red Hat FUSE ausnutzen, um Dateien zu manipulieren.

  • WID-SEC-W-2024-0794Dell ECS: Mehrere SchwachstellenDeutsch2024-04-04csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in Dell ECS ausnutzen, um seine Privilegien zu erweitern, beliebigen Programmcode mit Administratorrechten auszuführen, Informationen offenzulegen, Dateien zu manipulieren, einen Cross-Site-Scripting-Angriff durchzuführen, Sicherheitsvorkehrungen zu umgehen oder einen Denial of Service Zustand herbeizuführen.

  • GHSA-c5hg-mr8r-f6jpHazelcast connection caching2022-12-27ghsa · osvUS

    ### Impact The Connection handler in Hazelcast and Hazelcast Jet allows an unauthenticated, remote attacker to access and manipulate data in the cluster with another authenticated connection's identity. The affected Hazelcast versions are through 3.12.12, 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. ### Patches Hazelcast Jet (and Enterprise) 4.5.4. Hazelcast IMDG (and Enterprise)3.12.13 Hazelcast IMDG (and Enterprise) 4.1.10 Hazelcast IMDG (and Enterprise) 4.2.6 Hazelcast Platform (and Enterprise) 5.1.3 ### Workarounds There is no known workaround, but setups with TLS and mutual authentication enabled significantly lowers the exploitation risk. ### References https://support.hazelcast.com/s/article/Security-Advisory-for-CVE-2022-36437

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcert_bundnvdosvNVDCVE.orgMITRE
published 2022-12-29modified 2026-06-17
09

references (7)

External citations — patches, advisories, analysis.

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