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Servers and applications

CVE-2010-0926

The default configuration of smbd in Samba before 3.3.11, 3.4.x before 3.4.6, and 3.5.x before 3.5.0rc3, when a writable share exists, allows remote authenticated users to leverage a directory traversal vulnerability, and access arbitrary files, by using the symlink command in smbclient to create a symlink containing .. (dot dot) sequences, related to the combination of the unix extensions and…

Severity
Low 3.5
Published
10 Mar 2010
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
30% in the next 30 daysHigher than 98% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Path traversal (CWE-22)
Attack
Over the network · Needs a login
Attacker can
Read some data
CVSS vector
AV:N/AC:M/Au:S/C:P/I:N/A:N
Sources
NVD

Description

The default configuration of smbd in Samba before 3.3.11, 3.4.x before 3.4.6, and 3.5.x before 3.5.0rc3, when a writable share exists, allows remote authenticated users to leverage a directory traversal vulnerability, and access arbitrary files, by using the symlink command in smbclient to create a symlink containing .. (dot dot) sequences, related to the combination of the unix extensions and wide links options.

From NVD.

Affected software

SoftwareAffected versions
SambaServers and applications · cpe:a:samba:samba
  • Version 3.5.0
  • Version 3.4.5
  • Version 3.4.4
  • Version 3.4.3
All 18 release lines
  • Version 3.3.0
  • Version 3.3.1
  • Version 3.3.2
  • Version 3.3.3
  • Version 3.3.4
  • Version 3.3.5
  • Version 3.3.6
  • Version 3.3.7
  • Version 3.3.8
  • Version 3.3.9
  • Version 3.3.10
  • Version 3.4.0
  • Version 3.4.1
  • Version 3.4.2
  • Version 3.4.3
  • Version 3.4.4
  • Version 3.4.5
  • Version 3.5.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2010-0926
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2010-0926