CVE-2004-0306

Name: CVE-2004-0306
Creator: NVD / NIST
Published: 2004-11-23T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.12%

Last modified Jun 16, 2026

CVE-2004-0306 is a vulnerability of currently unknown severity. Cisco ONS 15327 before 4.1(3), ONS 15454 before 4.6(1), ONS 15454 SD before 4.1(3), and Cisco ONS 15600 before 1.3(0) enable TFTP service on UDP port 69 by default, which allows remote attackers to GET or PUT ONS system files on the current active TCC in the /flash0 or /flash1 directories.. EPSS estimates a 2.12% chance of exploitation in the next 30 days.

Description

Cisco ONS 15327 before 4.1(3), ONS 15454 before 4.6(1), ONS 15454 SD before 4.1(3), and Cisco ONS 15600 before 1.3(0) enable TFTP service on UDP port 69 by default, which allows remote attackers to GET or PUT ONS system files on the current active TCC in the /flash0 or /flash1 directories.

Metrics

EPSS Probability

2.12%

79.5th 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.securityfocus.com/bid/9699Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/15264
http://www.cisco.com/warp/public/707/cisco-sa-20040219-ONS.shtmlPatch, Vendor Advisory
http://www.securityfocus.com/bid/9699Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/15264

Timeline

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

Frequently Asked Questions

What is CVE-2004-0306?

How severe is CVE-2004-0306?

Severity scoring for CVE-2004-0306 is pending analysis. The EPSS model estimates a 2.12% probability of exploitation in the next 30 days.

How do I fix CVE-2004-0306?

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-2004-0306?

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

Scan your code now

Source: NVD / NIST