Is CVE-2025-23166 in the CISA KEV catalog?

No. CVE-2025-23166 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-23166?

CVE-2025-23166 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2025-23166?

CVE-2025-23166 has an EPSS score of 0.76% (51th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2025-23166

HIGH

7.5

CVSS v3

NVD

Description

The C++ method SignTraits::DeriveBits() may incorrectly call ThrowException() based on user-supplied inputs when executing in a background thread, crashing the Node.js process. Such cryptographic operations are commonly applied to untrusted inputs. Thus, this mechanism potentially allows an adversary to remotely crash a Node.js runtime.

CWE-248

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.76%probability of exploitation in 30 days

51stpercentile

Moderate risk: more likely to be exploited than 51% of all known CVEs.

References

https://nodejs.org/en/blog/vulnerability/may-2025-security-releases

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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 2025-05-19.