CVE-2021-23463— XML External Entity (XXE) Injection
Quick assessment
Affected
n/a com.h2database:h2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Markdown To Pdf是德国Simon Hanisch个人开发者的一个简单且可破解的 Cli 工具。用于将 Markdown 转换为 pdf。 Markdown To Pdf 中存在代码问题漏洞，该漏洞源于该服务使用org.h2.jdbc.JdbcResultSet.getSQLXML方法获得解析字符串时如果getSource方法的参数为DOMSource.class会引起恶意注入。以下产品及版本受到影响：H2database 2.0.202 之前版本。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2021-23463
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
XML External Entity (XXE) Injection
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Markdown To Pdf 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Markdown To Pdf是德国Simon Hanisch个人开发者的一个简单且可破解的 Cli 工具。用于将 Markdown 转换为 pdf。 Markdown To Pdf 中存在代码问题漏洞，该漏洞源于该服务使用org.h2.jdbc.JdbcResultSet.getSQLXML方法获得解析字符串时如果getSource方法的参数为DOMSource.class会引起恶意注入。以下产品及版本受到影响：H2database 2.0.202 之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | com.h2database:h2 | 0 ~ unspecified | - |
|
II. Public POCs for CVE-2021-23463
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-23463
请登录查看更多情报信息。
Patches & Fixes for CVE-2021-23463 (2)
Vendor Advisories for CVE-2021-23463 (3)
Other References for CVE-2021-23463 (1)
Same Patch Batch · n/a · 2021-12-10 · 17 CVEs total
| CVE-2021-23639 | 9.8 CRITICAL | Remote Code Execution (RCE) |
| CVE-2021-23663 | 6.5 MEDIUM | Prototype Pollution |
| CVE-2021-23700 | 6.5 MEDIUM | Prototype Pollution |
| CVE-2021-23561 | 6.5 MEDIUM | Prototype Pollution |
| CVE-2021-27984 | Pluck 代码问题漏洞 | |
| CVE-2021-27983 | MaxSite CMS 输入验证错误漏洞 | |
| CVE-2021-31747 | Pluck 信任管理问题漏洞 | |
| CVE-2021-31746 | Pluck 路径遍历漏洞 | |
| CVE-2021-31745 | Pluck 授权问题漏洞 | |
| CVE-2021-29214 | HPE StoreServ Management Console和Manage 代码注入漏洞 | |
| CVE-2021-37934 | Huntflow Enterprise 权限许可和访问控制问题漏洞 | |
| CVE-2021-37935 | Huntflow Enterprise 信息泄露漏洞 | |
| CVE-2021-37189 | Digi TransPort 安全漏洞 | |
| CVE-2021-37188 | Digi International Digi TransPort 数据伪造问题漏洞 | |
| CVE-2021-37187 | Digi International Digi TransPort 安全漏洞 | |
| CVE-2021-35978 | Digi TransPort DR64 命令注入漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-23463
No comments yet