XXE in H2database H2
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()…
Vulnerability class: XXE (XML External Entity)
EPSS: 0.033 (87.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.
Affected products
- H2database H2
- N/a Com.h2database:h2 — versions 0, unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- report@snyk.io (Exploit, Patch, Third Party Advisory, Issue Tracking)
- report@snyk.io (Exploit, Patch, Third Party Advisory)
- report@snyk.io (Patch, Third Party Advisory, Issue Tracking)
- report@snyk.io (Broken Link)
- report@snyk.io (Not Applicable)
- report@snyk.io
Frequently asked questions
- What is CVE-2021-23463?
- CVE-2021-23463 is a high-severity vulnerability in H2database H2, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 8.1/10. Published 2021-12-10.
- How severe is CVE-2021-23463?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2021-23463 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.