Is CVE-2024-45193 actively exploited?

CVE-2024-45193 has no public evidence of in-the-wild exploitation as of 2025-06-17.

What is the CVSS score for CVE-2024-45193?

CVE-2024-45193 has a CVSS score of 4.3 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

How do I patch CVE-2024-45193?

Patch guidance is available from matrix security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2024-45193.

CVE-2024-45193 - remediation guidance & executive summary

Description

An issue was discovered in Matrix libolm through 3.2.16. There is Ed25519 signature malleability due to lack of validation criteria (does not ensure that S < n). This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: low
Availability: none
Weaknesses: CWE-327

Metadata

Primary Vendor: MATRIX
Published: 8/22/2024
Last Modified: 6/17/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2024-45193

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary