CVE-2022-36437

CRITICALCVSS 9.1/10EPSS 1.02%

Last modified

CVE-2022-36437 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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. EPSS estimates a 1.02% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Probability
1.02%

59.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
HazelcastHazelcast< 3.12.13
HazelcastHazelcast>= 4.0.0, < 4.1.10
HazelcastHazelcast>= 4.2.0, < 4.2.6
HazelcastHazelcast>= 5.0.0, < 5.0.4
HazelcastHazelcast>= 5.1.0, < 5.1.3
HazelcastHazelcast-Jet< 4.5.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 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.
How severe is CVE-2022-36437?
CVE-2022-36437 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 1.02% probability of exploitation in the next 30 days.
How do I fix CVE-2022-36437?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-36437?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST