Control cards for Cisco Optical Networking System (ONS) 15000 series nodes before 20060405 allow remote attackers to cause a denial of service (memory exhaustion and possibly card reset) by sending an invalid response when the final ACK is expected, aka bug ID CSCei45910.
Conclusion & alert: CVE-2006-1670 is rated High Exploit Risk (75.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.92%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). 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 ↗ | |
| — | 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 | 2025-05-01 | 1.57% | 1.92% | +0.35% |
| 2 | 2025-03-30 | 1.21% | 1.57% | +0.36% |
| 3 | 2025-03-29 | — | 1.21% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 2.0 | HIGH |
|
10.0 | 6.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cisco | optical_networking_systems_software | 1.0 | cpe:2.3:a:cisco:optical_networking_systems_software:1.0:*:*:*:*:*:*:* |
| cisco | optical_networking_systems_software | 1.1 | cpe:2.3:a:cisco:optical_networking_systems_software:1.1:*:*:*:*:*:*:* |
| cisco | optical_networking_systems_software | 1.1\(0\) | cpe:2.3:a:cisco:optical_networking_systems_software:1.1\(0\):*:*:*:*:*:*:* |
| cisco | optical_networking_systems_software | 1.1\(1\) | cpe:2.3:a:cisco:optical_networking_systems_software:1.1\(1\):*:*:*:*:*:*:* |
| cisco | optical_networking_systems_software | 1.3\(0\) | cpe:2.3:a:cisco:optical_networking_systems_software:1.3\(0\):*:*:*:*:*:*:* |
| cisco | optical_networking_systems_software | 3.0 | cpe:2.3:a:cisco:optical_networking_systems_software:3.0:*:*:*:*:*:*:* |
| cisco | optical_networking_systems_software | 3.1.0 | cpe:2.3:a:cisco:optical_networking_systems_software:3.1.0:*:*:*:*:*:*:* |
| cisco | optical_networking_systems_software | 3.2 | cpe:2.3:a:cisco:optical_networking_systems_software:3.2:*:*:*:*:*:*:* |
| cisco | optical_networking_systems_software | 3.3.0 | cpe:2.3:a:cisco:optical_networking_systems_software:3.3.0:*:*:*:*:*:*:* |
| cisco | optical_networking_systems_software | 3.4.0 | cpe:2.3:a:cisco:optical_networking_systems_software:3.4.0:*:*:*:*:*:*:* |
| cisco | optical_networking_systems_software | 4.0\(1\) | cpe:2.3:a:cisco:optical_networking_systems_software:4.0\(1\):*:*:*:*:*:*:* |
| cisco | optical_networking_systems_software | 4.0\(2\) | cpe:2.3:a:cisco:optical_networking_systems_software:4.0\(2\):*:*:*:*:*:*:* |
| cisco | optical_networking_systems_software | 4.0.0 | cpe:2.3:a:cisco:optical_networking_systems_software:4.0.0:*:*:*:*:*:*:* |
| cisco | optical_networking_systems_software | 4.1\(0\) | cpe:2.3:a:cisco:optical_networking_systems_software:4.1\(0\):*:*:*:*:*:*:* |
| cisco | optical_networking_systems_software | 4.1\(1\) | cpe:2.3:a:cisco:optical_networking_systems_software:4.1\(1\):*:*:*:*:*:*:* |
| cisco | optical_networking_systems_software | 4.1\(2\) | cpe:2.3:a:cisco:optical_networking_systems_software:4.1\(2\):*:*:*:*:*:*:* |
| cisco | optical_networking_systems_software | 4.1\(3\) | cpe:2.3:a:cisco:optical_networking_systems_software:4.1\(3\):*:*:*:*:*:*:* |
| cisco | optical_networking_systems_software | 4.1.4 | cpe:2.3:a:cisco:optical_networking_systems_software:4.1.4:*:*:*:*:*:*:* |
| cisco | optical_networking_systems_software | 4.6\(0\) | cpe:2.3:a:cisco:optical_networking_systems_software:4.6\(0\):*:*:*:*:*:*:* |
| cisco | optical_networking_systems_software | 4.6\(1\) | cpe:2.3:a:cisco:optical_networking_systems_software:4.6\(1\):*:*:*:*:*:*:* |
| cisco | ons_15310-cl_series | — | cpe:2.3:h:cisco:ons_15310-cl_series:*:*:*:*:*:*:*:* |
| cisco | ons_15600 | — | cpe:2.3:h:cisco:ons_15600:*:*:*:*:*:*:*:* |
| cisco | ons_15454_mspp | — | cpe:2.3:o:cisco:ons_15454_mspp:*:*:*:*:*:*:*:* |
| cisco | ons_15454_mstp | — | cpe:2.3:o:cisco:ons_15454_mstp:*:*:*:*:*:*:*:* |