CVE-2009-2507

Windows 2000 vulnerability

CVSS

9.3

EPSS

19.3%

EPSS pct

97th

Exploited

No known

A certain ActiveX control in the Indexing Service in Microsoft Windows 2000 SP4, XP SP2 and SP3, and Server 2003 SP2 does not properly process URLs, which allows remote attackers to execute arbitrary programs via unspecified vectors that cause a "vulnerable binary" to load and run, aka "Memory Corruption in Indexing Service Vulnerability."

Affected vendor

Microsoft

Affected product

Windows 2000

CVSS vector

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

Published

2009-10-14

Risk analysis

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

Its EPSS score of 19.3% 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-2009-2507

Confirm whether Microsoft Windows 2000 is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2009-2507.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-2507

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-2507 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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