What’s Vulnerable › Vulnerabilities

CVE-2025-24788: Snowflake Connector for .NET has weak temporary files permissions

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-01-29 · updated 2026-06-17
• Weakness: CWE-276

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.

Affected products

• snowflakedb snowflake-connector-python: from 2.0.12 before 4.3.0 — fixed in 4.3.0

How to fix

Upgrade to a fixed version: snowflakedb snowflake-connector-python 4.3.0. Check the vendor advisory for mitigations.

References

• https://github.com/snowflakedb/snowflake-connector-net/commit/89d91e8316ca213c5d184bcf469ed93977a5edf9
• https://github.com/snowflakedb/snowflake-connector-net/security/advisories/GHSA-2mqw-rq5m-8hc8

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