PoC Index

CVE-2021-23463

CRITICAL 9.1EPSS 2.7%

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.

CVSS v3.1
9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS v3.1
8.1 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CVSS v3.1
8.1 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CVSS v2.0
6.4 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:P
EPSS
2.70% chance of exploitation in the next 30 days, 85th percentile
Published
2021-12-10
Updated
2024-09-17

Proof-of-concept exploits (1)

References

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