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Unrated severityNVD Advisory· Published Aug 8, 2012· Updated Apr 29, 2026

CVE-2011-5098

CVE-2011-5098

Description

chef-server-api/app/controllers/clients.rb in Chef Server in Chef before 0.9.20, and 0.10.x before 0.10.6, does not require administrative privileges for creating admin clients, which allows remote authenticated users to bypass intended access restrictions by leveraging read permission for the validation key and executing a knife client create command with the --admin option.

Affected products

34
  • Opscode/Chef34 versions
    cpe:2.3:a:opscode:chef:*:*:*:*:*:*:*:*+ 33 more
    • cpe:2.3:a:opscode:chef:*:*:*:*:*:*:*:*range: <=0.9.18
    • cpe:2.3:a:opscode:chef:0.10.0:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.10.2:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.10.4:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.5.1:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.5.2:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.5.4:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.5.6:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.6.0:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.6.2:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.7.10:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.7.12:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.7.14:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.7.2:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.7.4:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.7.6:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.7.8:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.8.10:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.8.12:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.8.14:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.8.16:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.8.2:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.8.4:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.8.6:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.8.8:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.9.0:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.9.10:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.9.12:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.9.14:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.9.16:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.9.2:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.9.4:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.9.6:*:*:*:*:*:*:*
    • cpe:2.3:a:opscode:chef:0.9.8:*:*:*:*:*:*:*

Patches

1
33f0e9c58bbf
https://github.com/opscode/chefvia nvd-ref
commit

Vulnerability mechanics

Generated on May 9, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.

References

2

News mentions

0

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