CrushFTP prior to 10.5.1 is vulnerable to Improperly Controlled Modification of Dynamically-Determined Object Attributes.
Conclusion & alert: CVE-2023-43177 is rated High Exploit Risk (94/100): CVSS Critical severity, with high exploitation likelihood (EPSS 81.80%, 100th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +4.98% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-06-15 | 76.82% | 81.80% | +4.98% |
| 2 | 2026-06-10 | 76.05% | 76.82% | +0.77% |
| 3 | 2026-05-12 | — | 76.05% | — |
Full EPSS history (70 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| URL | Tags |
|---|---|
| https://convergetp.com/2023/11/16/crushftp-zero-day-cve-2023-43177-discovered/ | Exploit Third Party Advisory |
| https://github.com/the-emmons/CVE-Disclosures/blob/main/Pending/CrushFTP-2023-1.md | Third Party Advisory |