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TI-2023-28309 Aliases CVE-2023-51662GHSA-hwcc-4cv8-cf3h

Snowflake Connector .NET does not properly check the Certificate Revocation List (CRL)

Priority LOW 33CWE-295Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
Spoofing
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-295.

Summary

The Snowflake .NET driver provides an interface to the Microsoft .NET open source software framework for developing applications. Snowflake recently received a report about a vulnerability in the Snowflake Connector .NET where the checks against the Certificate Revocation List (CRL) were not performed where the insecureMode flag was set to false, which is the default setting. The vulnerability affects versions between 2.0.25 and 2.1.4 (inclusive). Snowflake fixed the issue in version 2.1.5.

Why it matters now

EPSS 0.00348 28th percentileScored 2026-11-07
Fix Fixed Snowflake.Data (NuGet): 2.1.5

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Snowflakesnowflake-connector-net2.0.25 – 2.1.4—No fix listedCNA
—Snowflake.Data (NuGet)2.0.25 to before 2.1.52.1.5Patch availableGHSA-hwcc-4cv8-cf3h
  • snowflake-connector-net VendorSnowflake Affected 2.0.25 – 2.1.4 Fixed in — No fix listed CNA
  • Snowflake.Data (NuGet) Vendor— Affected 2.0.25 to before 2.1.5 Fixed in 2.1.5 Patch available GHSA-hwcc-4cv8-cf3h

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:snowflake:snowflake_connector:*:*:*:*:*:.net:*:*2.0.25 to before 2.1.5VulnerableSnowflake
  • cpe:2.3:a:snowflake:snowflake_connector:*:*:*:*:*:.net:*:* Versions 2.0.25 to before 2.1.5 Vulnerable ·Snowflake

Remediation

  • Fix · GHSA-hwcc-4cv8-cf3h Snowflake.Data (NuGet) Fixed in 2.1.5 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-51662
  2. 2026-10-03 Alias added: GHSA-hwcc-4cv8-cf3h

References

  • 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