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CVE-2025-49015 — Vulnerability in CouchbaseNetClient — CVE Details

MEDIUM

Couchbase .NET SDK (client library) does not properly enable hostname verification for TLS certificates

Published June 18, 2025Updated September 10, 2026Source: osv

Summary

The Couchbase .NET SDK (client library) before 3.7.1 does not properly enable hostname verification for TLS certificates. In fact, the SDK was also using IP addresses instead of hostnames due to a configuration option that was incorrectly enabled by default.

Advisory Timeline

  • First published June 18, 2025 (481 days ago).
  • Last revised September 10, 2026 — 449 days after initial publication.

Affected Packages (1)

Affects 1 ecosystem: NuGet (1).

PackageEcosystemAffectedFixed In
CouchbaseNetClient
NuGet
0.9.0, 0.9.1, 0.9.2, 1.0.0 (+219 more)Range-based data available

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 4.9 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

References

Frequently Asked Questions

What is CVE-2025-49015?
Couchbase .NET SDK (client library) does not properly enable hostname verification for TLS certificates This vulnerability has been assigned a severity rating of MEDIUM (CVSS score: 4.9/10).
How do I check if my project is affected by CVE-2025-49015?
CVE-2025-49015 affects CouchbaseNetClient. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2025-49015 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
4.9

Exploitation requires specific conditions or has limited impact. Remediate within weeks.

Also Known As

GHSA-px2c-r924-mwcc

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