Vulnerability Intelligence Report
XML External Entity (XXE) Injection
CVE-2021-23463
The package com.h2database:h2 from 1.4.198 and before 2.0.202 are vulnerable to XML External Entity (XXE) Injection via the org.h2.jdbc.JdbcSQLXML class object, when it receives parsed string data from org.h2.jdbc.JdbcResultSet.getSQLXML() method. If it executes the getSource() method when the parameter is DOMSource.class it will trigger the vulnerability.
No Active Exploit Signals
CVSS Base Score
8.1
HIGH
Exploitability:2.9
Impact Score:5.2
Temporal Score:7.7
EPSS Probability:3.28%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
—
SSVC Action
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Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| h2database | h2 | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
3.284%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Snyk · Open Source · UK |
| Reserved | 2021-01-08T00:00:00 |
| Published | 2021-12-10T20:00:14 |
| Patch Date | 2021-12-10 |
| Last Updated | 2024-09-17T03:47:43 |
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