All vulnerabilities

Servers and applications

CVE-2021-44141

All versions of Samba prior to 4.15.5 are vulnerable to a malicious client using a server symlink to determine if a file or directory exists in an area of the server file system not exported under the share definition. SMB1 with unix extensions has to be enabled in order for this attack to succeed.

Severity
Medium 4.3
Published
21 Feb 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
4.15.5
Sources
NVD

Affected software

SoftwareAffected versions
SambaServers and applications · cpe:a:samba:samba
  • Every version before 4.15.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-44141
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-44141