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CVE-2003-0822

83
FAUCET Score

CVE-2003-0822 describes a critical buffer overflow vulnerability in the debug functionality of fp30reg.dll within Microsoft FrontPage Server Extensions (FPSE) 2000 and 2002, also affecting SharePoint Team Services and Windows 2000/XP. This flaw allows remote, unauthenticated attackers to execute arbitrary code by sending a specially crafted chunked encoded request. With a CVSS score of 7.5, this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to full compromise of confidentiality, integrity, and availability. While not on the CISA KEV catalog, exploit modules are readily available in Metasploit and ExploitDB, and it has garnered significant community discussion, indicating its historical relevance and potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
2000CPE matchmatch criteria
cpe:2.3:a:microsoft:frontpage_server_extensions:2000:*:*:*:*:*:*:*
2002CPE matchmatch criteria
cpe:2.3:a:microsoft:frontpage_server_extensions:2002:*:*:*:*:*:*:*
2002CPE matchmatch criteria
cpe:2.3:a:microsoft:sharepoint_team_services:2002:*:*:*:*:*:*:*
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:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
81.26%
Probability of exploitation in next 30 days
EPSS Percentile
99.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Metasploit: MS03-051 Microsoft IIS ISAPI FrontPage fp30reg.dll Chunked Overflow · Nov 11, 2003
ExploitDB: EDB-16356 · Jul 25, 2010
This CVE's current EPSS score of 0.8126 is in the 99th 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

marc.info
marc.info
docs.microsoft.com / en-us/security-updates/securitybulletins/2003/ms03-051
secunia.com / advisories/10195
exchange.xforce.ibmcloud.com / vulnerabilities/13674
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A364
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A366
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A367
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A699
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A743
kb.cert.org / vuls/id/279156
US Government Resource