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Fencer Vulns
critical 9.1

CVE-2022-36437 json

Hazelcast connection caching

published 2022-12-27 3 y ago modified 2026-07-08 4 mo ago also GHSA-c5hg-mr8r-f6jp , EUVD-2022-7594

cvss
9.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits
0
none known

Summary

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.

Patch / fix

  • maven com.hazelcast:hazelcast 3.12.13, 4.1.10, 4.2.6, 5.0.4, 5.1.3
  • maven com.hazelcast.jet:hazelcast-jet 4.5.4
  • maven com.hazelcast.jet:hazelcast-jet-enterprise 4.5.4
  • maven com.hazelcast:hazelcast-enterprise 3.12.13, 4.1.10, 4.2.6, 5.0.4, 5.1.3
  • hazelcast hazelcast 3.12.13, 4.1.10, 4.2.6, 5.0.4, 5.1.3
  • hazelcast hazelcast-jet 4.5.4

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-36437 updated cvss 9.1

hazelcast: Hazelcast connection caching

  • Red Hat Integration Camel Quarkus 1 hazelcast hazelcast
    affected: no fix planned “Will not fix”
  • Red Hat Fuse 7.11.1.P1
    fixed: vendor fix RHSA-2023:0483
  • Red Hat Fuse 7.12
    fixed: vendor fix RHSA-2023:3954
  • Red Hat Fuse on EAP 7.11.1.P1
    fixed: vendor fix RHSA-2023:0661

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
18 mo ago

Exploit prediction

1.09% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CNA 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
GitHub 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected packages

ecosystem package affected fixed in
maven com.hazelcast:hazelcast
<3.12.13
>=4.0, <=4.0.6
>=4.1, <4.1.10
>=4.2, <4.2.6
>=5.0, <5.0.4
>=5.1, <5.1.3
3.12.13
4.1.10
4.2.6
5.0.4
5.1.3
maven com.hazelcast.jet:hazelcast-jet
<4.5.4
4.5.4
maven com.hazelcast.jet:hazelcast-jet-enterprise
<4.5.4
4.5.4
maven com.hazelcast:hazelcast-enterprise
<3.12.13
>=4.0, <=4.0.6
>=4.1, <4.1.10
>=4.2, <4.2.6
>=5.0, <5.0.4
>=5.1, <5.1.3
3.12.13
4.1.10
4.2.6
5.0.4
5.1.3

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.