CVE-2009-3864

Windows vulnerability

CVSS

7.5

EPSS

22.5%

EPSS pct

97th

Exploited

No known

The Java Update functionality in Java Runtime Environment (JRE) in Sun Java SE in JDK and JRE 5.0 before Update 22 and JDK and JRE 6 before Update 17, when a non-English version of Windows is used, does not retrieve available new JRE versions, which allows remote attackers to leverage vulnerabilities in older releases of this software, aka Bug Id 6869694.

Affected vendor

Microsoft

Affected product

Windows

CVSS vector

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

Published

2009-11-05

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 22.5% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2009-3864

Confirm whether Microsoft Windows is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2009-3864.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-3864

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