CVE-2004-0307

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2004-11-23 · updated 2026-06-16

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.

Affected products

Cisco Optical Networking Systems Software: 1.0, 4.0(1), 4.0(2), 4.0.0, 4.1(0), 4.1(1) (+4)

References

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

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