How to fix or mitigate CVE-2025-9513?

Within 30 days: Identify affected systems running editso fuso and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

CVE-2025-9513

Q: What is the CVSS score of CVE-2025-9513?

CVE-2025-9513 has a CVSS 4.0 base score of 6.3 (Medium). CVSS vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

MEDIUM

Cryptographic Issues (CWE-310)

2025-08-27 cna@vuldb.com

Information Disclosure

6.3

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

6.3 MEDIUM

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:09 vuln.today

CVE Published

Aug 27, 2025 - 06:15 nvd

MEDIUM 6.3

DescriptionCVE.org

A flaw has been found in editso fuso up to 1.0.4-beta.7. This affects the function PenetrateRsaAndAesHandshake of the file src/net/penetrate/handshake/mod.rs. This manipulation of the argument priv_key causes inadequate encryption strength. Remote exploitation of the attack is possible. A high degree of complexity is needed for the attack. The exploitability is reported as difficult.

AnalysisAI

A flaw has been found in editso fuso up to 1.0.4-beta.7. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-310. A flaw has been found in editso fuso up to 1.0.4-beta.7. This affects the function PenetrateRsaAndAesHandshake of the file src/net/penetrate/handshake/mod.rs. This manipulation of the argument priv_key causes inadequate encryption strength. Remote exploitation of the attack is possible. A high degree of complexity is needed for the attack. The exploitability is reported as difficult. Version information: up to 1.0.4.

Affected ProductsAI

See vendor advisory for affected versions.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.