THREATPORT/VULNERABILITY/CVE-2011-4800
HIGH SEVERITY

CVE-2011-4800

Serv U File Server vulnerability

CVSS
9.0
EPSS
8.4%
EPSS pct
94th
Exploited
No known
Directory traversal vulnerability in Serv-U FTP Server before 11.1.0.5 allows remote authenticated users to read and write arbitrary files, and list and create arbitrary directories, via a "..:/" (dot dot colon forward slash) in the (1) list, (2) put, or (3) get commands.
Affected vendor
Solarwinds
Affected product
Serv U File Server
CVSS vector
AV:N/AC:L/Au:S/C:C/I:C/A:C
Weakness type (CWE)
Published
2011-12-14

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low 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 8.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2011-4800

  • Confirm whether Solarwinds Serv U File Server is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2011-4800.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2011-4800

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2011-4800 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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