TI-2025-18505 Aliases CVE-2025-24788 GHSA-2mqw-rq5m-8hc8

Snowflake Connector for .NET has weak temporary files permissions

LOW 24CWE-276Published 2025-01-29 · Updated 2025-01-31

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00143 3rd percentileScored 2026-11-07

Fix Fixed snowflake-connector-net (snowflakedb): 4.3.0Snowflake.Data (NuGet): 4.3.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Snowflake	snowflake-connector-net	2.0.12 to before 4.3.0	4.3.0	Patch available	CNA
—	Snowflake.Data (NuGet)	2.0.12 to before 4.3.0	4.3.0	Patch available	GHSA-2mqw-rq5m-8hc8

snowflake-connector-net VendorSnowflake Affected 2.0.12 to before 4.3.0 Fixed in 4.3.0 Patch available CNA
Snowflake.Data (NuGet) Vendor— Affected 2.0.12 to before 4.3.0 Fixed in 4.3.0 Patch available GHSA-2mqw-rq5m-8hc8

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:snowflake:snowflake_connector::::::.net::*	2.0.12 to before 4.3.0	Vulnerable	Snowflake
cpe:2.3:o:apple:macos:-:::::::*	not specified by NVD	Running on	Apple
cpe:2.3:o:linux:linux_kernel:-:::::::*	not specified by NVD	Running on	Linux

cpe:2.3:a:snowflake:snowflake_connector:*:*:*:*:*:.net:*:* Versions 2.0.12 to before 4.3.0 Vulnerable ·Snowflake
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux

Remediation

Fix · CNA snowflake-connector-net (snowflakedb) Fixed in 4.3.0
Fix · GHSA-2mqw-rq5m-8hc8 Snowflake.Data (NuGet) Fixed in 4.3.0 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2025-24788
2026-10-03 Alias added: GHSA-2mqw-rq5m-8hc8

References

Patch 1

https://github.com/snowflakedb/snowflake-connector-net/commit/89d91e8316ca213c5d184bcf469ed93977a5edf9

Advisory 2

Other 1

https://github.com/snowflakedb/snowflake-connector-net

TI-2022-20945 Exponential ReDoS in snowflake-connector-python leads to denial of service CVSS 3.1HIGH 7.5
TI-2023-17069 Snowflake Python Connector vulnerable to Command Injection CVSS 3.1HIGH 8.8
TI-2023-17068 Snowflake NodeJS Driver vulnerable to Command Injection CVSS 3.1HIGH 8.8
TI-2023-17066 Snowflake Connector vulnerable to Command Injection CVSS 3.1HIGH 8.8
TI-2025-18511 The Snowflake Connector for Python uses insecure deserialization of the OCSP response cache CVSS 3.1HIGH 7.8
TI-2025-18510 Snowflake Connector for Python has an SQL Injection in write_pandas CVSS 3.1HIGH 7.0

See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences