CVE-2022-0265

CRITICAL

GitHub hazelcast/hazelcast <5.1-BETA-1 - SSRF

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2022-0265. PoCs published by achuna33.

AI-analyzed exploit summary This PoC exploits CVE-2022-0265, a deserialization vulnerability in Apache Hazelcast. It uses ysoserial to generate a malicious payload and sends it to the target via a socket connection on port 5701.

Description

Improper Restriction of XML External Entity Reference in GitHub repository hazelcast/hazelcast in 5.1-BETA-1.

Exploits (1)

nomisec WORKING POC 5 stars
by achuna33 · poc
https://github.com/achuna33/CVE-2022-0265

This PoC exploits CVE-2022-0265, a deserialization vulnerability in Apache Hazelcast. It uses ysoserial to generate a malicious payload and sends it to the target via a socket connection on port 5701.

Classification
Working Poc 90%
Attack Type
Deserialization
Complexity
Moderate
Reliability
Reliable
Target: Apache Hazelcast (version not specified)
No auth needed
Prerequisites: ysoserial.jar in the same directory · network access to target on port 5701
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://huntr.dev/bounties/d63972a2-b910-480a-a86b-d1f75d24d563

Scores

CVSS v3 9.8
EPSS 0.0831
EPSS Percentile 92.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-611
Status published
Products (2)
com.hazelcast/hazelcast 5.1-beta1 - 5.1Maven
hazelcast/hazelcast 5.1 beta1
Published Mar 03, 2022
Tracked Since Feb 18, 2026