CVE-2025-49015
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-06-18

Last updated on: 2025-07-09

Assigner: MITRE

Description
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.
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Meta Information
Published
2025-06-18
Last Modified
2025-07-09
Generated
2026-05-07
AI Q&A
2025-06-18
EPSS Evaluated
2026-05-05
NVD
EUVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
couchbase .net_sdk to 3.7.1 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-297 The product communicates with a host that provides a certificate, but the product does not properly ensure that the certificate is actually associated with that host.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability in the Couchbase .NET SDK before version 3.7.1 involves improper enabling of hostname verification for TLS certificates. Additionally, the SDK was using IP addresses instead of hostnames due to a configuration option that was incorrectly enabled by default, which can undermine the security of TLS connections.


How can this vulnerability impact me? :

Because hostname verification is not properly enabled and IP addresses are used instead of hostnames, an attacker could potentially perform man-in-the-middle attacks by presenting a TLS certificate that does not match the expected hostname, compromising the confidentiality and integrity of data transmitted between the client and server.


What immediate steps should I take to mitigate this vulnerability?

Update the Couchbase .NET SDK to version 3.7.1 or later to ensure proper hostname verification for TLS certificates and correct the configuration option to use hostnames instead of IP addresses.


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