All vulnerabilities

Servers and applications

CVE-2015-5252

vfs.c in smbd in Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, when share names with certain substring relationships exist, allows remote attackers to bypass intended file-access restrictions via a symlink that points outside of a share.

Severity
High 7.2
Published
29 Dec 2015
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
4.1.22, 4.2.7, 4.3.3
Exploit chance
13% in the next 30 daysHigher than 96% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
CWE-264
Attack
Over the network · No login needed · No user action needed
Attacker can
Read some data · Change some data
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Sources
NVD

Affected software

SoftwareAffected versions
SambaServers and applications · cpe:a:samba:samba
  • From 3.0.0 before 4.1.22
  • From 4.2.0 before 4.2.7
  • From 4.3.0 before 4.3.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2015-5252
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2015-5252