Is CVE-2025-42978 in the CISA KEV catalog?

No. CVE-2025-42978 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-42978?

CVE-2025-42978 has a CVSS v3 base score of 3.5 (LOW).

What is the EPSS score for CVE-2025-42978?

CVE-2025-42978 has an EPSS score of 0.12% (2th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2025-42978?

No published fix for CVE-2025-42978 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2025-42978

LOW

3.5

CVSS v3

NVD

Description

The widely used component that establishes outbound TLS connections in SAP NetWeaver Application Server Java does not reliably match the hostname that is used for the connection against the wildcard hostname defined in the received certificate of remote TLS server. This might lead to the outbound connection being established to a possibly malicious remote TLS server and hence disclose information. Integrity and Availability are not impacted.

CWE-940

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 RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.12%probability of exploitation in 30 days

2ndpercentile

Low risk: more likely to be exploited than 2% of all known CVEs.

References

Other references2

Related Vulnerabilities

Other CWE-940 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-61932	Critical	9.8	2.6%	KEV	-
CVE-2024-32388	Medium	5.3	1.5%	-	Fix
CVE-2023-3663	High	8.8	1.0%	-	Fix
CVE-2023-48387	High	8.8	1.0%	-	-
CVE-2025-23018	Medium	5.4	1.0%	-	-
CVE-2025-23019	Medium	5.4	0.9%	-	-

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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 2025-07-08.