Vulnerability Description
Missing cryptographic key commitment in the Amazon S3 Encryption Client for .NET may allow a user with write access to the S3 bucket to introduce a new EDK that decrypts to different plaintext when the encrypted data key is stored in an "instruction file" instead of S3's metadata record. To mitigate this issue, upgrade Amazon S3 Encryption Client for .NET to version 3.2.0 or later.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://aws.amazon.com/security/security-bulletins/AWS-2025-032/
- https://github.com/aws/amazon-s3-encryption-client-dotnet/releases/tag/release_2
- https://github.com/aws/amazon-s3-encryption-client-dotnet/security/advisories/GH
FAQ
What is CVE-2025-14759?
CVE-2025-14759 is a vulnerability with a CVSS score of 5.3 (MEDIUM). Missing cryptographic key commitment in the Amazon S3 Encryption Client for .NET may allow a user with write access to the S3 bucket to introduce a new EDK that decrypts to different plaintext when th...
How severe is CVE-2025-14759?
CVE-2025-14759 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-14759?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.