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CVE-2003-0807

33
FAUCET Score

CVE-2003-0807 describes a buffer overflow vulnerability within the COM Internet Services and RPC over HTTP Proxy components of various Microsoft Windows operating systems, including NT Server 4.0, 2000, XP, and Server 2003. This flaw allows unauthenticated remote attackers to trigger a denial of service by sending a specially crafted request. The vulnerability has a CVSS score of 5.0, indicating a medium severity, with a low attack complexity and no authentication required, leading to a partial availability impact. Despite its age and potential for disruption, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:*
r2CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_2003_server:r2:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_nt:4.0:*:server:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_nt:4.0:*:terminal_server:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_xp:*:gold:*:*:*:*:*:*

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
39.71%
Probability of exploitation in next 30 days
EPSS Percentile
98.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.3971 is in the 99th percentile among its peer group of 23,701 CVEs.

Social Chatter

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/ms04-012
securitytracker.com / alerts/2004/Apr/1009762.html
exchange.xforce.ibmcloud.com / vulnerabilities/15709
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1030
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A969
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A995
ciac.org / ciac/bulletins/o-115.shtml
kb.cert.org / vuls/id/698564
PatchThird Party AdvisoryUS Government Resource
securityfocus.com / bid/10123
us-cert.gov / cas/techalerts/TA04-104A.html
Third Party AdvisoryUS Government Resource