CVE-2016-9686: puppet puppet_enterprise Improper Input Validation
CVSS: 5.3v3.0MediumModified
Published 08-02-2017Last modified 06-08-2024
Vulnerability summary
CVE-2016-9686 is a medium (CVSS 5.3) Improper Input Validation vulnerability in puppet puppet_enterprise. EPSS estimates a 1.27% chance of exploitation in the next 30 days, higher than 69.5% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v3.0 (NVD)EPSS score
1.27%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-02-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.3Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.27%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
0.00 pp
From 1.27% on 20-09-2026
20-09-202620-10-2026
EPSS score1.27%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Puppet1 product
- puppet_enterprise≥ 2015.3.0, < 2015.4.0 | 2016.x prior to 2016.4.3 | ≥ 2016.4.0, < 2016.4.3 | 2016.5.1
1 vendor · 1 product