THREATPORT/VULNERABILITY/CVE-2007-6181
HIGH SEVERITY

CVE-2007-6181

Cygwin vulnerability

CVSS
8.5
EPSS
5.6%
EPSS pct
92th
Exploited
No known
Heap-based buffer overflow in cygwin1.dll in Cygwin 1.5.7 and earlier allows context-dependent attackers to execute arbitrary code via a filename with a certain length, as demonstrated by a remote authenticated user who uses the SCP protocol to send a file to the Cygwin machine, and thereby causes scp.exe on this machine to execute, and then overwrite heap memory with characters from the filename. NOTE: it is also reported that a related issue might exist in 1.5.7 through 1.5.19.
Affected vendor
Redhat
Affected product
Cygwin
CVSS vector
AV:N/AC:M/Au:S/C:C/I:C/A:C
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2007-11-30

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring single-factor authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 5.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2007-6181

  • Confirm whether Redhat Cygwin is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2007-6181.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2007-6181

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2007-6181 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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