CVE-2004-0307

Name: CVE-2004-0307
Creator: NVD / NIST
Published: 2004-11-23T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.63%

Last modified Jun 16, 2026

CVE-2004-0307 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.63% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.63%

73.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Cisco	Optical Networking Systems Software	1.0
Cisco	Optical Networking Systems Software	4.0\(1\)
Cisco	Optical Networking Systems Software	4.0\(2\)
Cisco	Optical Networking Systems Software	4.0.0
Cisco	Optical Networking Systems Software	4.1\(0\)
Cisco	Optical Networking Systems Software	4.1\(1\)
Cisco	Optical Networking Systems Software	4.1\(2\)
Cisco	Optical Networking Systems Software	4.1\(3\)
Cisco	Optical Networking Systems Software	4.1.0
Cisco	Optical Networking Systems Software	4.5

References

http://www.cisco.com/warp/public/707/cisco-sa-20040219-ONS.shtmlPatch, Vendor Advisory
http://www.osvdb.org/4009
http://www.securityfocus.com/bid/9699Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/15265
http://www.cisco.com/warp/public/707/cisco-sa-20040219-ONS.shtmlPatch, Vendor Advisory
http://www.osvdb.org/4009
http://www.securityfocus.com/bid/9699Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/15265

Timeline

Published: Nov 23, 2004
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2004-0307?

How severe is CVE-2004-0307?

Severity scoring for CVE-2004-0307 is pending analysis. The EPSS model estimates a 1.63% probability of exploitation in the next 30 days.

How do I fix CVE-2004-0307?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2004-0307?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST