CVE-2025-24788 Snowflake Connector for .NET has weak temporary files permissions
Local attackers can read sensitive data from temporary files due to weak permissions in the Snowflake .NET connector.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2025-24788?
CVE-2025-24788 is a medium-severity vulnerability in snowflakedb snowflake-connector-net, published on 29 Jan 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
snowflake-connector-net is the Snowflake Connector for .NET. Snowflake discovered and remediated a vulnerability in the Snowflake Connector for .NET in which files downloaded from stages are temporarily placed in a world-readable local directory, making them accessible to unauthorized users on the same machine. This vulnerability affects versions 2.0.12 through 4.2.0 on Linux and macOS. Snowflake fixed the issue in version 4.3.0.
Weakness: CWE-276
Which versions are affected by CVE-2025-24788?
2 open source packages ship an affected version, including Snowflake.Data. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
Snowflake.Data NuGet | From 2.0.12 | 4.3.0 |
Snowflake.Data NuGet | From 2.0.12 | 4.3.0 |
Products include Snowflake Snowflake Connector.
How do I fix CVE-2025-24788?
Upgrade Snowflake.Data to 4.3.0 or later.
Is CVE-2025-24788 being exploited?
There is no known exploitation of CVE-2025-24788 in the wild and no public exploit code.
Other vulnerabilities in snowflakedb snowflake-connector-net
- CVE-2023-34230 Snowflake Connector vulnerable to Command Injection
- CVE-2023-34232 Snowflake NodeJS Driver vulnerable to Command Injection
- CVE-2023-34233 Snowflake Python Connector vulnerable to Command Injection
- CVE-2025-24793 Snowflake Connector for Python has an SQL Injection in write_pandas
- CVE-2025-24794 The Snowflake Connector for Python uses insecure deserialization of the OCSP response cache
Sources
Also known as GHSA-2mqw-rq5m-8hc8.