CVE-2009-1544

Windows 2003 Server vulnerability

CVSS

8.8

EPSS

20.6%

EPSS pct

97th

Exploited

No known

Double free vulnerability in the Workstation service in Microsoft Windows allows remote authenticated users to gain privileges via a crafted RPC message to a Windows XP SP2 or SP3 or Server 2003 SP2 system, or cause a denial of service via a crafted RPC message to a Vista Gold, SP1, or SP2 or Server 2008 Gold or SP2 system, aka "Workstation Service Memory Corruption Vulnerability."

Affected vendor

Microsoft

Affected product

Windows 2003 Server

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-399
CWE-415 — Double Free

Published

2009-08-12

Risk analysis

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

Its EPSS score of 20.6% 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-2009-1544

Confirm whether Microsoft Windows 2003 Server is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2009-1544.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-1544

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-1544 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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