CVE-2006-1670

Exp

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.

Published: 2006-04-07 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

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.

Public exploit references (Exploit-DB) for CVE-2006-1670

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2006-1670

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-1670

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 6.9 [email protected]

Weakness enumeration for CVE-2006-1670

Affected software / configurations for CVE-2006-1670

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:*:*:*:*:*:*:*:*

References for CVE-2006-1670

cvelogic Threat Intelligence