CVE-2011-5097

chef-server-api/app/controllers/cookbooks.rb in Chef Server in Chef before 0.9.18, and 0.10.x before 0.10.2, does not require administrative privileges for the update and destroy methods, which allows remote authenticated users to (1) upload cookbooks via a knife cookbook upload command or (2) delete cookbooks via a knife cookbook delete command.

Published: 2012-08-08 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-5097 is rated Moderate Risk (47.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.42%). EPSS rose +1.03% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-5097

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.39% 1.42% +1.03%
2 2025-03-17 0.15% 0.39% +0.24%
3 2024-04-25 — 0.15% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-5097

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.5 2.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.0 4.9 [email protected]

Weakness enumeration for CVE-2011-5097

OS Trackers for CVE-2011-5097

vendor priority summary link
ubuntu medium CVE-2011-5097 medium priority: Ubuntu including 2 source packages (chef, chef-server-api), 18 status rows across 9 suites (hardy, lucid, natty, oneiric, precise, quantal, raring, saucy, upstream): DNE 7, not-affected 6, ignored 3, needs-triage 2. https://ubuntu.com/security/CVE-2011-5097

Affected software / configurations for CVE-2011-5097

Vendor Product Version Raw CPE
opscode chef <= 0.9.16 cpe:2.3:a:opscode:chef:*:*:*:*:*:*:*:*
opscode chef 0.7.2 cpe:2.3:a:opscode:chef:0.7.2:*:*:*:*:*:*:*
opscode chef 0.7.4 cpe:2.3:a:opscode:chef:0.7.4:*:*:*:*:*:*:*
opscode chef 0.7.6 cpe:2.3:a:opscode:chef:0.7.6:*:*:*:*:*:*:*
opscode chef 0.7.8 cpe:2.3:a:opscode:chef:0.7.8:*:*:*:*:*:*:*
opscode chef 0.7.10 cpe:2.3:a:opscode:chef:0.7.10:*:*:*:*:*:*:*
opscode chef 0.7.12 cpe:2.3:a:opscode:chef:0.7.12:*:*:*:*:*:*:*
opscode chef 0.7.14 cpe:2.3:a:opscode:chef:0.7.14:*:*:*:*:*:*:*
opscode chef 0.8.2 cpe:2.3:a:opscode:chef:0.8.2:*:*:*:*:*:*:*
opscode chef 0.8.4 cpe:2.3:a:opscode:chef:0.8.4:*:*:*:*:*:*:*
opscode chef 0.8.6 cpe:2.3:a:opscode:chef:0.8.6:*:*:*:*:*:*:*
opscode chef 0.8.8 cpe:2.3:a:opscode:chef:0.8.8:*:*:*:*:*:*:*
opscode chef 0.8.10 cpe:2.3:a:opscode:chef:0.8.10:*:*:*:*:*:*:*
opscode chef 0.9.0 cpe:2.3:a:opscode:chef:0.9.0:*:*:*:*:*:*:*
opscode chef 0.9.2 cpe:2.3:a:opscode:chef:0.9.2:*:*:*:*:*:*:*
opscode chef 0.9.4 cpe:2.3:a:opscode:chef:0.9.4:*:*:*:*:*:*:*
opscode chef 0.9.6 cpe:2.3:a:opscode:chef:0.9.6:*:*:*:*:*:*:*
opscode chef 0.9.8 cpe:2.3:a:opscode:chef:0.9.8:*:*:*:*:*:*:*
opscode chef 0.9.10 cpe:2.3:a:opscode:chef:0.9.10:*:*:*:*:*:*:*
opscode chef 0.9.12 cpe:2.3:a:opscode:chef:0.9.12:*:*:*:*:*:*:*
opscode chef 0.9.14 cpe:2.3:a:opscode:chef:0.9.14:*:*:*:*:*:*:*
opscode chef 0.10.0 cpe:2.3:a:opscode:chef:0.10.0:*:*:*:*:*:*:*

References for CVE-2011-5097

cvelogic Threat Intelligence