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CVE-2002-0643

18
FAUCET Score

CVE-2002-0643 describes a vulnerability in Microsoft Data Engine 1.0 (MSDE 1.0) and Microsoft SQL Server 2000 where the installation process leaves setup.iss files with insecure permissions and does not delete them. This allows local users to access sensitive data, including weakly encrypted passwords, potentially leading to privilege escalation. The vulnerability has a CVSS score of 4.6 (AV:L/AC:L/Au:N/C:P/I:P/A:P), indicating a low attack complexity and requiring local access, but with potential for partial confidentiality, integrity, and availability impact. There is no known active exploitation, publicly available exploit code in Metasploit, Nuclei, or ExploitDB, and it is not listed in CISA's KEV catalog. Despite this, the CVE has garnered significant community discussion with 10 mentions, suggesting ongoing awareness.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:microsoft:data_engine:1.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:a:microsoft:sql_server:7.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:a:microsoft:sql_server:7.0:sp1:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:a:microsoft:sql_server:7.0:sp2:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:a:microsoft:sql_server:7.0:sp3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.6MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.70%
Probability of exploitation in next 30 days
EPSS Percentile
74.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0170 is in the 96th percentile among its peer group of 3,049 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

marc.info
marc.info
docs.microsoft.com / en-us/security-updates/securitybulletins/2002/ms02-035
kb.cert.org / vuls/id/338195
US Government Resource
securityfocus.com / bid/5203