CVE-2016-9686

low-risk
Published 2017-02-08

The Puppet Communications Protocol (PCP) Broker incorrectly validates message header sizes. An attacker could use this to crash the PCP Broker, preventing commands from being sent to agents. This is resolved in Puppet Enterprise 2016.4.3 and 2016.5.2.

Do I need to act?

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0.38% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Puppet

References (2)

Vendor Advisory https://puppet.com/security/cve/cve-2016-9686
Vendor Advisory https://puppet.com/security/cve/cve-2016-9686
29
/ 100
low-risk
Severity 21/34 · High
Exploitability 1/34 · Minimal
Exposure 7/34 · Low