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CVE-2003-0663

27
FAUCET Score

CVE-2003-0663 describes an unknown vulnerability within the Local Security Authority Subsystem Service (LSASS) in Microsoft Windows 2000 domain controllers. This flaw allows remote, unauthenticated attackers to trigger a denial of service by sending a specially crafted LDAP message. With a CVSS score of 5.0, this vulnerability is easily exploitable over the network with low attack complexity, leading to a complete loss of availability for the affected system. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
32.03%
Probability of exploitation in next 30 days
EPSS Percentile
98.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.3203 is in the 98th percentile among its peer group of 23,705 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

docs.microsoft.com / en-us/security-updates/securitybulletins/2004/ms04-011
exchange.xforce.ibmcloud.com / vulnerabilities/15700
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1016
ciac.org / ciac/bulletins/o-114.shtml
kb.cert.org / vuls/id/639428
PatchThird Party AdvisoryUS Government Resource
securityfocus.com / bid/10114
us-cert.gov / cas/techalerts/TA04-104A.html
Third Party AdvisoryUS Government Resource