CVE-2003-0839

Windows 2003 Server vulnerability

CVSS

5.0

EPSS

12.2%

EPSS pct

96th

Exploited

No known

Directory traversal vulnerability in the "Shell Folders" capability in Microsoft Windows Server 2003 allows remote attackers to read arbitrary files via .. (dot dot) sequences in a "shell:" link.

Affected vendor

Microsoft

Affected product

Windows 2003 Server

CVSS vector

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

Published

2003-11-17

Risk analysis

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

Its EPSS score of 12.2% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2003-0839

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-2003-0839.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2003-0839

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2003-0839 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2003-0839?

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