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CVE-2003-0528

53
FAUCET Score

CVE-2003-0528 describes a critical heap-based buffer overflow in the Distributed Component Object Model (DCOM) interface of the RPCSS Service, affecting Microsoft Windows 2000, 2003 Server, NT, and XP. This vulnerability allows unauthenticated remote attackers to execute arbitrary code by sending a specially crafted RPC request with a long filename parameter. With a CVSS score of 10.0, it represents a severe threat due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code in Metasploit or ExploitDB, the vulnerability has garnered significant community discussion, indicating awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_2000:*:sp1:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_2000:*:sp2:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_2000:*:sp3:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_2000:*:sp4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

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

Exploit Intelligence

EPSS Score
41.03%
Probability of exploitation in next 30 days
EPSS Percentile
98.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.4103 is in the 97th percentile among its peer group of 51,485 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

archives.neohapsis.com / archives/vulnwatch/2003-q3/0100.html
marc.info
docs.microsoft.com / en-us/security-updates/securitybulletins/2003/ms03-039
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A127
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2884
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2968
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3966
cert.org / advisories/CA-2003-23.html
PatchThird Party AdvisoryUS Government Resource
kb.cert.org / vuls/id/254236
US Government Resource
nsfocus.com / english/homepage/research/0306.htm