UpHeron
All vulnerabilities

Servers and applications

CVE-2020-17049

A security feature bypass vulnerability exists in the way Key Distribution Center (KDC) determines if a service ticket can be used for delegation via Kerberos Constrained Delegation (KCD). To exploit the vulnerability, a compromised service that is configured to use KCD could tamper with a service ticket that is not valid for delegation to force the KDC to accept it. The update addresses this…

Severity
Medium 6.6
Published
11 Nov 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
4.13.13, 4.14.9, 4.15.1
Sources
NVD

Affected software

SoftwareAffected versions
SambaServers and applications · cpe:a:samba:samba
  • From 4.1.0 before 4.13.13
  • From 4.14.0 before 4.14.9
  • From 4.15.0 before 4.15.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-17049
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-17049