UpHeron
All vulnerabilities

Servers and applications

CVE-2015-7560

The SMB1 implementation in smbd in Samba 3.x and 4.x before 4.1.23, 4.2.x before 4.2.9, 4.3.x before 4.3.6, and 4.4.x before 4.4.0rc4 allows remote authenticated users to modify arbitrary ACLs by using a UNIX SMB1 call to create a symlink, and then using a non-UNIX SMB1 call to write to the ACL content.

Severity
Medium 6.5
Published
13 Mar 2016
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
4.1.23, 4.2.9, 4.3.6
Exploit chance
13% in the next 30 daysHigher than 96% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Improper access control (CWE-284)
Attack
Over the network · Needs a user account · No user action needed
Attacker can
Change data
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Sources
NVD

Affected software

SoftwareAffected versions
SambaServers and applications · cpe:a:samba:samba
  • From 3.2.0 before 4.1.23
  • From 4.2.0 before 4.2.9
  • From 4.3.0 before 4.3.6
  • Version 4.4.0-rc1
  • Version 4.4.0-rc2
  • Version 4.4.0-rc3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2015-7560
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2015-7560