CVE-2008-4834

Windows 2000 vulnerability

CVSS

10.0

EPSS

45.8%

EPSS pct

99th

Exploited

No known

Buffer overflow in SMB in the Server service in Microsoft Windows 2000 SP4, XP SP2 and SP3, and Server 2003 SP1 and SP2 allows remote attackers to execute arbitrary code via malformed values of unspecified "fields inside the SMB packets" in an NT Trans request, aka "SMB Buffer Overflow Remote Code Execution Vulnerability."

Affected vendor

Microsoft

Affected product

Windows 2000

CVSS vector

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

Weakness type (CWE)

CWE-119 — Improper Restriction of Operations within Memory Bounds

Published

2009-01-14

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 confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 45.8% 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-2008-4834

Confirm whether Microsoft Windows 2000 is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2008-4834.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2008-4834

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2008-4834 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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