Home/CVE/The package com.h2database:h2 from 1.4.198 and before 2.0.202 are vulnerable to XML External Entity (XXE) Injection via
CVE

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 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.

HIGH · CVSS 8.1 EPSS 0.00766
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-611Improper Restriction of XML External Entity Reference
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Affected Products & Versions

1
h2database h2>= 1.4.198 and < 2.0.202
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven com.h2database:h2 HIGH fixed in 2.0.202
⚠

Public Exploits & PoCs

2
pocgithub.com · 3195github.com
pocsnyk.io · SNYK-JAVA-COMH2DATABASE-1769238snyk.io
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Scoring & Timeline

8.1
HIGH · CVSS v3.1 · report@snyk.io
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 Dec 2021 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/h2database/h2database/commit/d83285fd2e48fb075780ee95badee6f5a15ea7f8%23diff-008c2e4462609982199cd83e7cf6f1d6b41296b516783f6752c44b9f15dc7bc3Broken Link
https://github.com/h2database/h2database/pull/3199Issue TrackingPatchThird Party Advisory
https://security.netapp.com/advisory/ntap-20230818-0010/
https://www.oracle.com/security-alerts/cpuapr2022.htmlNot Applicable
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