THREATPORT/VULNERABILITY/CVE-2011-1991
HIGH SEVERITY

CVE-2011-1991

Windows 2003 Server vulnerability

CVSS
9.3
EPSS
12.1%
EPSS pct
96th
Exploited
No known
Multiple untrusted search path vulnerabilities in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allow local users to gain privileges via a Trojan horse DLL in the current working directory, as demonstrated by a directory that contains a .doc, .rtf, or .txt file, related to (1) deskpan.dll in the Display Panning CPL Extension, (2) EAPHost Authenticator Service, (3) Folder Redirection, (4) HyperTerminal, (5) the Japanese Input Method Editor (IME), and (6) Microsoft Management Console (MMC), aka "Windows Components Insecure Library Loading Vulnerability."
Affected vendor
Microsoft
Affected product
Windows 2003 Server
CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Published
2011-09-15

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 12.1% 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-2011-1991

  • 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-2011-1991.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2011-1991

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2011-1991 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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