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CVE-2006-2380

20
FAUCET Score

CVE-2006-2380 describes an RPC Mutual Authentication Vulnerability in Microsoft Windows 2000 SP4, where the operating system fails to properly validate an RPC server during mutual authentication over SSL. This flaw allows remote attackers to spoof a legitimate RPC server. With a CVSS score of 4.3 (medium severity), successful exploitation could lead to information disclosure (partial integrity impact) without requiring authentication, though it necessitates a medium attack complexity. Despite its age, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.

Impacted Technologies

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

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
17.84%
Probability of exploitation in next 30 days
EPSS Percentile
96.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.1784 is in the 97th percentile among its peer group of 19,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

docs.microsoft.com / en-us/security-updates/securitybulletins/2006/ms06-031
secunia.com / advisories/20637
PatchVendor Advisory
securitytracker.com / id
Patch
exchange.xforce.ibmcloud.com / vulnerabilities/26836
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1763
osvdb.org / 26438
securityfocus.com / bid/18389
Patch
vupen.com / english/advisories/2006/2328
Vendor Advisory