Vulnerability · Published Dec 10, 2021 · Assigned by snyk
CVE-2021-23463XML External Entity (XXE) Injection
High 8.1
In plain English
A high-severity security flaw in com.h2database:h2. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.8% (higher than 86% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)2.8%top 13.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | com.h2database:h2 | 2.0.202 | GHSA-7rpj-hg47-cx62 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | com.h2database:h2 | 0 – before unspecifiedunspecified – before 2.0.202 |
References
- https://github.com/h2database/h2database/issues/3195
- https://snyk.io/vuln/SNYK-JAVA-COMH2DATABASE-1769238
- https://github.com/h2database/h2database/pull/3199
- https://github.com/h2database/h2database/commit/d83285fd2e48fb075780ee95badee6f5a15ea7f8%23diff-008c2e4462609982199cd83e7cf6f1d6b41296b516783f6752c44b9f15dc7bc3
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://security.netapp.com/advisory/ntap-20230818-0010/