SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2006-1670

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…

HIGH 7.8EPSS 2.30%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 2.0
7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS
2.30% probability · 83th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
cisco/optical networking systems software · cisco/ons 15310-cl series · cisco/ons 15600 · cisco/ons 15454 mspp · cisco/ons 15454 mstp
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 2.30%26 October 202626 October 2026

EPSS 2.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.