# CVE-2025-9513

## Summary

- **CVE ID:** CVE-2025-9513
- **Severity:** MEDIUM
- **CVSS Score:** 6.3 (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)
- **CWE:** CWE-326, CWE-310
- **Published:** Aug 27, 2025
- **Last Modified:** Mar 12, 2026

## Description

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.

## Affected Products

- editso — fuso (1.0.4-beta.0)
- editso — fuso (1.0.4-beta.1)
- editso — fuso (1.0.4-beta.2)
- editso — fuso (1.0.4-beta.3)
- editso — fuso (1.0.4-beta.4)
- editso — fuso (1.0.4-beta.5)
- editso — fuso (1.0.4-beta.6)
- editso — fuso (1.0.4-beta.7)

## References

- [CNA](https://vuldb.com/?id.321506)
- [CNA](https://vuldb.com/?ctiid.321506)
- [CNA](https://vuldb.com/?submit.635449)
- [CNA](https://chatgpt.com/share/68ae1bfa-8cd4-8005-8add-969bc42047b4)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.15%
- **EPSS Percentile:** 4.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-12._