What is CVE-2025-45764?

CVE-2025-45764 is a low-severity vulnerability in Jsrsasign Project, classified under Inadequate Encryption Strength. CVSS score: 3.2/10. Published 2025-08-06.

How severe is CVE-2025-45764?

Low severity. CVSS v3 base score is 3.2 out of 10.

Is CVE-2025-45764 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Jsrsasign Project

CVE-2025-45764

jsrsasign v11.1.0 was discovered to contain weak encryption. NOTE: this issue has been disputed by a third party who believes that CVE IDs can be assigned for key lengths in specific applications that use a library, and should not be assigned to the default key lengths in a library. This dispute is subject to review under CNA rules 4.1.4, 4.1.14, and other rules; the dispute tagging is not meant to recommend an outcome for this CVE Record.

EPSS: 0.001 (0.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.2 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N.

Affected products

Jsrsasign Project — versions 11.1.0

Weakness classification (CWE)

CWE-326 — Inadequate Encryption Strength

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-45764?: CVE-2025-45764 is a low-severity vulnerability in Jsrsasign Project, classified under Inadequate Encryption Strength. CVSS score: 3.2/10. Published 2025-08-06.
How severe is CVE-2025-45764?: Low severity. CVSS v3 base score is 3.2 out of 10.
Is CVE-2025-45764 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.