CVE-2004-1435

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2004-12-31 · updated 2026-06-16

Description

Multiple versions of Cisco ONS 15327, ONS 15454, and ONS 15454 SDH, including 4.6(0) and 4.6(1), 4.5(x), 4.1(0) to 4.1(3), 4.0(0) to 4.0(2), and earlier versions, allows remote attackers to cause a denial of service (control card reset) via a large number of TCP connections with an invalid response instead of the final ACK (TCP-ACK).

Affected products

Cisco Optical Networking Systems Software: 1.0, 1.1, 1.1(0), 1.1(1), 1.3(0), 2.3(5) (+17)

References

http://secunia.com/advisories/12117
http://www.cisco.com/warp/public/707/cisco-sa-20040721-ons.shtml
http://www.kb.cert.org/vuls/id/277048
http://www.securityfocus.com/bid/10768
https://exchange.xforce.ibmcloud.com/vulnerabilities/16763
http://secunia.com/advisories/12117
http://www.cisco.com/warp/public/707/cisco-sa-20040721-ons.shtml
http://www.kb.cert.org/vuls/id/277048
http://www.securityfocus.com/bid/10768
https://exchange.xforce.ibmcloud.com/vulnerabilities/16763

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