CVE-1999-1201

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 13.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2004-09-01 · updated 2026-06-16

Description

Windows 95 and Windows 98 systems, when configured with multiple TCP/IP stacks bound to the same MAC address, allow remote attackers to cause a denial of service (traffic amplification) via a certain ICMP echo (ping) packet, which causes all stacks to send a ping response, aka TCP Chorusing.

Affected products

Microsoft Windows 95: all versions
Microsoft Windows 98: all versions

References

http://marc.info/?l=ntbugtraq&m=91849617221319&w=2
http://www.securityfocus.com/bid/225
https://exchange.xforce.ibmcloud.com/vulnerabilities/7542
http://marc.info/?l=ntbugtraq&m=91849617221319&w=2
http://www.securityfocus.com/bid/225
https://exchange.xforce.ibmcloud.com/vulnerabilities/7542

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