CVE-2005-3644

Windows 2000 vulnerability

CVSS

7.8

EPSS

42.3%

EPSS pct

99th

Exploited

No known

PNP_GetDeviceList (upnp_getdevicelist) in UPnP for Microsoft Windows 2000 SP4 and earlier, and possibly Windows XP SP1 and earlier, allows remote attackers to cause a denial of service (memory consumption) via a DCE RPC request that specifies a large output buffer size, a variant of CVE-2006-6296, and a different vulnerability than CVE-2005-2120.

Affected vendor

Microsoft

Affected product

Windows 2000

CVSS vector

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

Weakness type (CWE)

CWE-399

Published

2005-11-17

Risk analysis

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

Its EPSS score of 42.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2005-3644

Confirm whether Microsoft Windows 2000 is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2005-3644.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2005-3644

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2005-3644 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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