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Medium 5.0Published May 5, 2004

CVE-2004-0230TCP, when using a large Window Size, makes it easier for remote attackers to guess sequence numbers and cause a denial of service (connection loss) to persistent TCP connections by repeatedly injecti…

Updated under an hour ago ()

Does this affect you?

It affects juniper junos and 11 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

TCP, when using a large Window Size, makes it easier for remote attackers to guess sequence numbers and cause a denial of service (connection loss) to persistent TCP connections by repeatedly injecting a TCP RST packet, especially in protocols that use long-lived connections, such as BGP.

CVSS
5.0 MEDIUM (v2.0, NVD)AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE)
Not given
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
mitre
NVD analysis
Analyzed
Record last updated
Oct 9, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
juniper junos
juniper:junos
before 11.4; 11.4; 11.4; 11.4; 11.4; 11.4; 11.4; 11.4; and 47 more ranges
NVD
microsoft windows_2000
microsoft:windows_2000
all versions; all versions
NVD
microsoft windows_98
microsoft:windows_98
all versions
NVD
microsoft windows_98se
microsoft:windows_98se
all versions
NVD
microsoft windows_server_2003
microsoft:windows_server_2003
all versions; all versions; all versions; all versions
NVD
microsoft windows_xp
microsoft:windows_xp
all versions; all versions; all versions; all versions
NVD
oracle solaris
oracle:solaris
10; 11
NVD
openpgp openpgp
openpgp:openpgp
2.6.2
NVD
mcafee network_data_loss_prevention
mcafee:network_data_loss_prevention
through 8.6; 9.2.0; 9.2.1; 9.2.2
NVD
netbsd netbsd
netbsd:netbsd
1.5; 1.5.1; 1.5.2; 1.5.3; 1.6; 1.6.1; 1.6.2; 2.0
NVD
xinuos openserver
xinuos:openserver
5.0.6; 5.0.7
NVD
xinuos unixware
xinuos:unixware
7.1.1; 7.1.3
NVD

References

  • vdb-entry, signature, x-refsource-oval
  • vdb-entry, signature, x-refsource-oval
  • third-party-advisory, x-refsource-cert
  • vdb-entry, signature, x-refsource-oval
  • mailing-list, x-refsource-bugtraq
  • vendor-advisory, x-refsource-hp
  • x-refsource-misc
  • vendor-advisory, x-refsource-ms
  • third-party-advisory, x-refsource-secunia
  • x-refsource-confirm
  • x-refsource-confirm
  • x-refsource-confirm
  • third-party-advisory, x-refsource-cert-vn
  • vendor-advisory, x-refsource-hp
  • vendor-advisory, x-refsource-ms
  • vendor-advisory, x-refsource-cisco
  • vdb-entry, x-refsource-bid
  • vdb-entry, signature, x-refsource-oval
  • vdb-entry, signature, x-refsource-oval
  • vdb-entry, x-refsource-xf
  • vdb-entry, x-refsource-osvdb
  • third-party-advisory, x-refsource-secunia
  • vdb-entry, x-refsource-vupen
  • third-party-advisory, x-refsource-secunia

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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