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CVE-2009-0233

29
FAUCET Score

CVE-2009-0233 describes a vulnerability in the DNS Resolver Cache Service of Microsoft Windows DNS Server versions 2000 SP4, Server 2003 SP1/SP2, and Server 2008 when dynamic updates are enabled. This flaw prevents the service from properly reusing cached DNS responses, making it easier for remote attackers to predict transaction IDs and poison DNS caches through simultaneous crafted queries and responses. The vulnerability has a CVSS score of 5.8, indicating a medium severity with network access, medium attack complexity, and potential for partial integrity and availability impact. Despite its age and an elevated EPSS score, 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:*:sp4:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_server_2003:*:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_server_2003:*:sp1:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_server_2003:*:sp1:itanium:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.8MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
27.07%
Probability of exploitation in next 30 days
EPSS Percentile
97.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.2707 is in the 98th percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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

blogs.technet.com / srd/archive/2009/03/13/ms09-008-dns-and-wins-server-security-update-in-more-detail.aspx
osvdb.org / 52517
docs.microsoft.com / en-us/security-updates/securitybulletins/2009/ms09-008
secunia.com / advisories/34217
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6228
support.avaya.com / elmodocs2/security/ASA-2009-083.htm
securityfocus.com / bid/33982
securitytracker.com / id
us-cert.gov / cas/techalerts/TA09-069A.html
US Government Resource
vupen.com / english/advisories/2009/0661