5.3

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.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.0 (NVD)
EPSS score
1.27%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-02-2017
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last 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 versions

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 score
1.27%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected 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

References

1 links