SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2004-0307

Cisco ONS 15327 before 4.1(3), ONS 15454 before 4.6(1), and ONS 15454 SD before 4.1(3) allows remote attackers to cause a denial of service (reset) by not sending the ACK portion of the TCP three-way handshake and sending an invalid response instead.

MEDIUM 5.0EPSS 1.63%

Does this matter?

Lower severity and a low EPSS score (1.63%). Track it; it rarely justifies an emergency change on its own.

Description

Cisco ONS 15327 before 4.1(3), ONS 15454 before 4.6(1), and ONS 15454 SD before 4.1(3) allows remote attackers to cause a denial of service (reset) by not sending the ACK portion of the TCP three-way handshake and sending an invalid response instead.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS
1.63% probability · 75th percentile
CISA KEV
Not listed
Affected
cisco/optical networking systems software
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.