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CVE-2004-0307

5.0 · MEDIUM

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-w…

Published Nov 23, 2004ciscoEPSS 1.63%

Overview

CVE-2004-0307 is a medium-severity vulnerability affecting cisco optical_networking_systems_software. It was published on November 23, 2004 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from cisco. Update optical_networking_systems_software to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refwww.cisco.com/warp/public/707/cisco-sa-20040219-ONS.shtmlRefwww.osvdb.org/4009Refwww.securityfocus.com/bid/9699Refexchange.xforce.ibmcloud.com/vulnerabilities/15265Refwww.cisco.com/warp/public/707/cisco-sa-20040219-ONS.shtmlRefwww.osvdb.org/4009Refwww.securityfocus.com/bid/9699Refexchange.xforce.ibmcloud.com/vulnerabilities/15265

How CyberStrike helps

Frequently asked questions

What is CVE-2004-0307?

CVE-2004-0307 is a medium-severity vulnerability affecting cisco optical_networking_systems_software. It was published on November 23, 2004 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2004-0307?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2004-0307?

Check the references section for vendor advisories and patches from cisco. Update optical_networking_systems_software to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2004-0307?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2004-0307 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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