CVE-2025-49015

Name: CVE-2025-49015
Creator: NVD / NIST
Published: 2025-06-18T14:15:44.87+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.9/10EPSS 0.19%

Last modified Jun 17, 2026

CVE-2025-49015 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. 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.. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.9/10

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

EPSS Probability

0.19%

9.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-297

Affected Software

Vendor	Product	Versions
Couchbase	.Net Sdk	<= 3.7.1

References

https://docs.couchbase.com/server/current/release-notes/relnotes.htmlRelease Notes
https://forums.couchbase.com/tags/securityIssue Tracking
https://www.couchbase.com/alerts/Vendor Advisory

Timeline

Published: Jun 18, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-49015?

How severe is CVE-2025-49015?

CVE-2025-49015 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.

How do I fix CVE-2025-49015?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-49015?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST