CVE-2025-49015
June 18, 2025
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.
Affected Packages
Couchbase.NetClient (DOT_NET):
Affected version(s) >=0.0.0.0 <3.7.1Fix Suggestion:
Update to version 3.7.1https://github.com/couchbase/couchbase-net-client.git (GITHUB):
Affected version(s) Fix Suggestion:
Update to version 3.7.1CouchbaseNetClient (NUGET):
Affected version(s) >=0.9.0 <3.7.1Fix Suggestion:
Update to version 3.7.1Related Resources (7)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.9
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Improper Validation of Certificate with Host Mismatch
EPSS
Base Score:
0.05
