What’s Vulnerable › Vulnerabilities

CVE-2025-5279: Issue with Amazon Redshift Python Connector and the BrowserAzureOAuth2CredentialsProvider plugin

• Severity: high (CVSS 7.0 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-05-27 · updated 2026-06-17
• Weakness: CWE-295

Description

When the Amazon Redshift Python Connector is configured with the BrowserAzureOAuth2CredentialsProvider plugin, the driver skips the SSL certificate validation step for the Identity Provider. An insecure connection could allow an actor to intercept the token exchange process and retrieve an access token. This issue has been addressed in driver version 2.1.7. Users should upgrade to address this issue and ensure any forked or derivative code is patched to incorporate the new fixes.

Affected products

• Amazon Redshift: from 2.0.872 before 2.1.7 — fixed in 2.1.7

How to fix

Upgrade to a fixed version: Amazon Redshift 2.1.7. Check the vendor advisory for mitigations.

References

• https://aws.amazon.com/security/security-bulletins/AWS-2025-011/
• https://github.com/aws/amazon-redshift-python-driver/releases/tag/v2.1.7
• https://github.com/aws/amazon-redshift-python-driver/security/advisories/GHSA-r244-wg5g-6w2r

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