Is CVE-2025-49015 in the CISA KEV catalog?

No. CVE-2025-49015 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-49015?

CVE-2025-49015 has a CVSS v3 base score of 4.9 (MEDIUM).

What is the EPSS score for CVE-2025-49015?

CVE-2025-49015 has an EPSS score of 0.19% (9th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2025-49015?

No published fix for CVE-2025-49015 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2025-49015

MEDIUM

4.9

CVSS v3

NVD

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.

CWE-297

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.19%probability of exploitation in 30 days

9thpercentile

Low risk: more likely to be exploited than 9% of all known CVEs.

References

Vendor Advisory1

couchbase.com

Issue Tracking1

forums.couchbase.com

Release Notes1

docs.couchbase.com

Related Vulnerabilities

Other CWE-297 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-3522	Medium	4.0	5.6%	-	Fix
CVE-2018-10936	High	8.1	2.9%	-	Fix
CVE-2024-2466	Medium	6.5	1.3%	-	Fix
CVE-2020-1887	Critical	9.1	1.3%	-	Fix
CVE-2020-14387	High	7.4	1.1%	-	Fix
CVE-2020-15260	Medium	6.8	1.0%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-07-09.