7.5
HIGH
CVE-2020-7943
Puppet Server and PuppetDB Metrics API Unauthorized Access Vulnerability
Description

Puppet Server and PuppetDB provide useful performance and debugging information via their metrics API endpoints. For PuppetDB this may contain things like hostnames. Puppet Server reports resource names and titles for defined types (which may contain sensitive information) as well as function names and class names. Previously, these endpoints were open to the local network. PE 2018.1.13 & 2019.5.0, Puppet Server 6.9.2 & 5.3.12, and PuppetDB 6.9.1 & 5.2.13 disable trapperkeeper-metrics /v1 metrics API and only allows /v2 access on localhost by default. This affects software versions: Puppet Enterprise 2018.1.x stream prior to 2018.1.13 Puppet Enterprise prior to 2019.5.0 Puppet Server prior to 6.9.2 Puppet Server prior to 5.3.12 PuppetDB prior to 6.9.1 PuppetDB prior to 5.2.13 Resolved in: Puppet Enterprise 2018.1.13 Puppet Enterprise 2019.5.0 Puppet Server 6.9.2 Puppet Server 5.3.12 PuppetDB 6.9.1 PuppetDB 5.2.13

INFO

Published Date :

March 11, 2020, 11:15 p.m.

Last Modified :

Jan. 24, 2022, 4:46 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2020-7943 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-7943 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Puppet puppet_enterprise
2 Puppet puppetdb
3 Puppet puppet_server
: Total Affected Vendor : 1 | Products : 3
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-7943.

URL Resource
https://puppet.com/security/cve/CVE-2020-7943/ Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
ARPSyndicate/kenzer-templates

essential templates for kenzer [DEPRECATED]

kenzer vulnerabilities kenzer-templates arpsyndicate

Python Shell Ruby

Updated: 3 months, 1 week ago
106 stars 32 fork 32 watcher
Born at : Sept. 18, 2020, 9:03 p.m. This repo has been linked 1653 different CVEs too.
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puppetlabs/puppet_metrics_dashboard

A module for managing the installation and configuration of metrics dashboards for Puppet services.

module supported

Ruby Puppet Pascal Dockerfile

Updated: 1 year, 5 months ago
8 stars 37 fork 37 watcher
Born at : June 25, 2018, 4:25 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
puppetlabs/puppetlabs-puppet_metrics_collector

Puppet module for collecting metrics from PE components

puppet puppet-enterprise metrics puppetdb puppet-server activemq module supported

Ruby Puppet Shell Dockerfile

Updated: 4 months, 3 weeks ago
3 stars 26 fork 26 watcher
Born at : April 5, 2018, 4:20 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-7943 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-7943 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CPE Deprecation Remap by [email protected]

    Jan. 24, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:puppet:puppet:*:*:*:*:enterprise:*:*:* versions from (including) 2018.1.0 from (excluding) 2018.1.15 OR *cpe:2.3:a:puppet:puppet_enterprise:*:*:*:*:*:*:*:* versions from (including) 2018.1.0 from (excluding) 2018.1.15
  • CPE Deprecation Remap by [email protected]

    Jan. 24, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:puppet:puppet:*:*:*:*:enterprise:*:*:* versions from (including) 2019.0 from (excluding) 2019.7.0 OR *cpe:2.3:a:puppet:puppet_enterprise:*:*:*:*:*:*:*:* versions from (including) 2019.0 from (excluding) 2019.7.0
  • Modified Analysis by [email protected]

    Sep. 14, 2021

    Action Type Old Value New Value
    Removed CWE NIST CWE-200
    Added CWE NIST NVD-CWE-noinfo
    Changed CPE Configuration OR *cpe:2.3:a:puppet:puppet:*:*:*:*:enterprise:*:*:* versions from (including) 2018.1.0 up to (excluding) 2018.1.13 *cpe:2.3:a:puppet:puppet:*:*:*:*:enterprise:*:*:* versions from (including) 2019.0 up to (excluding) 2019.4.0 *cpe:2.3:a:puppet:puppet_server:*:*:*:*:*:*:*:* versions up to (excluding) 5.3.12 *cpe:2.3:a:puppet:puppet_server:*:*:*:*:*:*:*:* versions from (including) 6.0.0 up to (excluding) 6.9.1 *cpe:2.3:a:puppet:puppetdb:*:*:*:*:*:*:*:* versions up to (excluding) 5.2.13 *cpe:2.3:a:puppet:puppetdb:*:*:*:*:*:*:*:* versions from (including) 6.0.0 up to (excluding) 6.9.1 OR *cpe:2.3:a:puppet:puppet:*:*:*:*:enterprise:*:*:* versions from (including) 2018.1.0 up to (excluding) 2018.1.15 *cpe:2.3:a:puppet:puppet:*:*:*:*:enterprise:*:*:* versions from (including) 2019.0 up to (excluding) 2019.7.0 *cpe:2.3:a:puppet:puppet_server:*:*:*:*:*:*:*:* versions up to (excluding) 5.3.13 *cpe:2.3:a:puppet:puppet_server:*:*:*:*:*:*:*:* versions from (including) 6.0.0 up to (excluding) 6.11.1 *cpe:2.3:a:puppet:puppetdb:*:*:*:*:*:*:*:* versions up to (excluding) 5.2.15 *cpe:2.3:a:puppet:puppetdb:*:*:*:*:*:*:*:* versions from (including) 6.0.0 up to (excluding) 6.10.1
  • CVE Modified by [email protected]

    Mar. 24, 2020

    Action Type Old Value New Value
    Changed Description Puppet Server and PuppetDB provide useful performance and debugging information via their metrics API endpoints. For PuppetDB this may contain things like hostnames. Puppet Server reports resource names and titles for defined types (which may contain sensitive information) as well as function names and class names. Previously, these endpoints were open to the local network. PE 2018.1.13 & 2019.4.0, Puppet Server 6.9.1 & 5.3.12, and PuppetDB 6.9.1 & 5.2.13 disable trapperkeeper-metrics /v1 metrics API and only allows /v2 access on localhost by default. This affects Puppet Enterprise 2018.1.x stream prior to 2018.1.13, and prior to 2019.4.0; Puppet Server prior to 6.9.1, and prior to 5.3.12; PuppetDB prior to 6.9.1, and prior to 5.2.13. Puppet Server and PuppetDB provide useful performance and debugging information via their metrics API endpoints. For PuppetDB this may contain things like hostnames. Puppet Server reports resource names and titles for defined types (which may contain sensitive information) as well as function names and class names. Previously, these endpoints were open to the local network. PE 2018.1.13 & 2019.5.0, Puppet Server 6.9.2 & 5.3.12, and PuppetDB 6.9.1 & 5.2.13 disable trapperkeeper-metrics /v1 metrics API and only allows /v2 access on localhost by default. This affects software versions: Puppet Enterprise 2018.1.x stream prior to 2018.1.13 Puppet Enterprise prior to 2019.5.0 Puppet Server prior to 6.9.2 Puppet Server prior to 5.3.12 PuppetDB prior to 6.9.1 PuppetDB prior to 5.2.13 Resolved in: Puppet Enterprise 2018.1.13 Puppet Enterprise 2019.5.0 Puppet Server 6.9.2 Puppet Server 5.3.12 PuppetDB 6.9.1 PuppetDB 5.2.13
  • Initial Analysis by [email protected]

    Mar. 16, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://puppet.com/security/cve/CVE-2020-7943/ No Types Assigned https://puppet.com/security/cve/CVE-2020-7943/ Vendor Advisory
    Added CWE NIST CWE-200
    Added CPE Configuration OR *cpe:2.3:a:puppet:puppet:*:*:*:*:enterprise:*:*:* versions from (including) 2018.1.0 up to (excluding) 2018.1.13 *cpe:2.3:a:puppet:puppet:*:*:*:*:enterprise:*:*:* versions from (including) 2019.0 up to (excluding) 2019.4.0 *cpe:2.3:a:puppet:puppet_server:*:*:*:*:*:*:*:* versions up to (excluding) 5.3.12 *cpe:2.3:a:puppet:puppet_server:*:*:*:*:*:*:*:* versions from (including) 6.0.0 up to (excluding) 6.9.1 *cpe:2.3:a:puppet:puppetdb:*:*:*:*:*:*:*:* versions up to (excluding) 5.2.13 *cpe:2.3:a:puppet:puppetdb:*:*:*:*:*:*:*:* versions from (including) 6.0.0 up to (excluding) 6.9.1
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-7943 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-7943 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

7.65 }} -2.79%

score

0.94329

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: