The issue was addressed by refusing external connections by default. This issue is fixed in Compressor 4.11.1. An unauthenticated user on the same network as a Compressor server may be able to execute arbitrary code.
Conclusion & alert: CVE-2025-43515 is rated Moderate Risk (40.9/100): CVSS High severity, with low exploitation likelihood (EPSS 0.05%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-04-12 | 0.04% | 0.05% | +0.01% |
| 2 | 2026-04-11 | 0.08% | 0.04% | -0.04% |
| 3 | 2025-12-15 | — | 0.08% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apple | compressor | < 4.11.1 | cpe:2.3:a:apple:compressor:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://support.apple.com/en-us/125693 | Release Notes Vendor Advisory |
| http://seclists.org/fulldisclosure/2025/Nov/17 | Third Party Advisory |