THREATPORT/VULNERABILITY/CVE-2011-1248
HIGH SEVERITY

CVE-2011-1248

Windows Server 2003 vulnerability

CVSS
9.3
EPSS
47.6%
EPSS pct
99th
Exploited
No known
WINS in Microsoft Windows Server 2003 SP2 and Server 2008 Gold, SP2, R2, and R2 SP1 does not properly handle socket send exceptions, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted packets, related to unintended stack-frame values and buffer passing, aka "WINS Service Failed Response Vulnerability."
Affected vendor
Microsoft
Affected product
Windows Server 2003
CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness type (CWE)
  • CWE-20 — Improper Input Validation
Published
2011-05-13

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 47.6% 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-2011-1248

  • Confirm whether Microsoft Windows Server 2003 is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2011-1248.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2011-1248

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2011-1248 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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