CVE-2025-49003CWE-153

Dataease H2 JDBC Connection Remote Code Execution

High · published June 26, 2025

CVSS v4.0
8.9
EPSS
1%
Percentile
60.3
In the wild
Unconfirmed
What it is

⚡ A crafty character conversion could unlock dangerous remote code execution in DataEase! Don't let your data visualization tool become a playground for attackers! 🔥 Imagine a restaurant where a waiter mishears your order because of a weird quirk in the menu — what you wanted was a salad, but they served you a surprise dessert instead! This vulnerability pivots on how characters change during processing, similar to that waiter misunderstanding your request. An attacker could exploit this vulnerability to run arbitrary code on your server, potentially allowing them to steal sensitive information or manipulate data. The consequences could be absolutely devastating for your business and customers, leaving your data exposed and your reputation on the line!

Put simply

Imagine a restaurant where a waiter mishears your order because of a weird quirk in the menu — what you wanted was a salad, but they served you a surprise dessert instead! This vulnerability pivots on how characters change during processing, similar to that waiter misunderstanding your request. This vulnerability arises from a flaw in Java's character conversion process, where specific characters ('ı' becomes 'I' and 'ſ' becomes 'S') can be exploited within crafted messages to trigger remote code execution in DataEase versions prior to 2.10.11.

What to do

An attacker could exploit this vulnerability to run arbitrary code on your server, potentially allowing them to steal sensitive information or manipulate data. The consequences could be absolutely devastating for your business and customers, leaving your data exposed and your reputation on the line! Update DataEase to version 2.10.11 immediately to close this security hole. Regularly review your systems for compliance with the latest security patches, and maintain good security practices to monitor for suspicious activity. 🚨 You’ve got this! By updating your software, you can keep your data secure and protect your users. 🛡️

The record
Technical detail
CVSS v4.0
8.9 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
EPSS
0.00932 · 60.3th percentile
Weakness
CWE-153 · Improper Neutralization of Substitution Characters
Published
2025-06-26T13:51Z
EPSS history
Timeline
  • 26 JUN 13:51Z
    Dataease H2 JDBC Connection Remote Code Execution
    cvelistv5