CVE-2002-0650 — The keep-alive mechanism for Microsoft SQL Server 2000 allows remote attackers to cause a denial of service (bandwidth consumption) via a "ping" style packet to the Resolution Service (UDP port 1434) with a spoofed IP address of another SQL Server system, which causes the two servers to exchange packets in an infinite loop

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MEDIUM

The keep-alive mechanism for Microsoft SQL Server 2000 allows remote attackers to cause a denial of service (bandwidth consumption) via a "ping" style packet to the Resolution Service (UDP port 1434) with a spoofed IP address of another SQL Server system, which causes the two servers to exchange packets in an infinite loop

Published Apr 2, 2003

5.0

MEDIUM

CVSS 2.0

EPSS 18.29%

Description

The keep-alive mechanism for Microsoft SQL Server 2000 allows remote attackers to cause a denial of service (bandwidth consumption) via a "ping" style packet to the Resolution Service (UDP port 1434) with a spoofed IP address of another SQL Server system, which causes the two servers to exchange packets in an infinite loop.

Affected products

Remediation

No remediation recorded yet.

Metrics

18.29% 0.18289

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.18289

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (12 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	18.29% (0.18289)	97.14th	v5 (v2026.06.15)
Jun 15, 2026	18.29% (0.18289)	96.85th	v5 (v2026.06.15)
Mar 19, 2025	25.22% (0.25225)	95.54th	v4 (v2025.03.14)
Mar 17, 2025	20.44% (0.20436)	95.08th	v4 (v2025.03.14)
Mar 2, 2025	17.53% (0.17529)	96.19th	v3 (v2023.03.01)
Aug 10, 2024	13.28% (0.13275)	95.65th	v3 (v2023.03.01)
Jan 29, 2024	9.83% (0.09831)	94.30th	v3 (v2023.03.01)
Sep 11, 2023	8.72% (0.08717)	93.73th	v3 (v2023.03.01)
Mar 7, 2023	4.83% (0.04835)	91.46th	v3 (v2023.03.01)
Mar 6, 2023	13.78% (0.13782)	95.80th	v2 (v2022.01.01)
Apr 1, 2022	13.78% (0.13782)	95.44th	v2 (v2022.01.01)
Feb 4, 2022	13.78% (0.13782)	90.87th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (6)

http://marc.info/?l=bugtraq&m=102760196931518&w=2
mailing-listx_refsource_BUGTRAQ
http://marc.info/?l=ntbugtraq&m=102760479902411&w=2
mailing-listx_refsource_NTBUGTRAQ
http://www.iss.net/security_center/static/9662.php
vdb-entryx_refsource_XF
http://www.osvdb.org/878
vdb-entryx_refsource_OSVDB
http://www.securityfocus.com/bid/5312
vdb-entryx_refsource_BID
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-039
vendor-advisoryx_refsource_MS

Link	Providers	Tags
http://marc.info/?l=bugtraq&m=102760196931518&w=2		mailing-listx_refsource_BUGTRAQ
http://marc.info/?l=ntbugtraq&m=102760479902411&w=2		mailing-listx_refsource_NTBUGTRAQ
http://www.iss.net/security_center/static/9662.php		vdb-entryx_refsource_XF
http://www.osvdb.org/878		vdb-entryx_refsource_OSVDB
http://www.securityfocus.com/bid/5312		vdb-entryx_refsource_BID
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-039		vendor-advisoryx_refsource_MS

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Apr 2, 2003

Updated Aug 8, 2024

Reserved Jun 28, 2002

Link CVE-2002-0650

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2002-0650

Red Hat

Severity n/a

Public date n/a

Links CVE-2002-0650