An issue in Open Network Foundation ONOS v2.7.0 allows attackers to create fake IP/MAC addresses and potentially execute a man-in-the-middle attack on communications between fake and real hosts.
Conclusion & alert: CVE-2023-41591 is rated Moderate Risk (57.9/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.29%). 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 | 2026-03-25 | 0.05% | 0.29% | +0.24% |
| 2 | 2025-11-06 | 0.04% | 0.05% | +0.01% |
| 3 | 2025-10-25 | — | 0.04% | — |
Full EPSS history (5 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 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| opennetworking | onos | 2.7.0 | cpe:2.3:a:opennetworking:onos:2.7.0:-:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://gist.github.com/kjw6855/9764e3f51b89119473e4d2c4f64dca27 | Third Party Advisory |
| https://wiki.onosproject.org/pages/viewpage.action?pageId=16122675 | Product |