Vulnerability · Published Nov 18, 2021 · Assigned by puppet

CVE-2021-27023

Critical 9.8

In plain English

A critical-severity security flaw in Puppet Enterprise, Puppet Server, Puppet Agent. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.4%top 27.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A flaw was discovered in Puppet Agent and Puppet Server that may result in a leak of HTTP credentials when following HTTP redirects to a different host. This is similar to CVE-2018-1000007

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
RubyGemspuppet7.12.1GHSA-93j5-g845-9wqp
RubyGemspuppet6.25.1GHSA-93j5-g845-9wqp
Ubuntu:22.04:LTSpuppetno fix listedUBUNTU-CVE-2021-27023

Affected products (as reported)

VendorProductVersions
n/a Puppet Enterprise, Puppet Server, Puppet Agent Puppet Enterprise prior to 2019.8.9, Puppet Enterprise prior to 2021.4, Puppet Server prior to 6.17.1, Puppet Server prior to 7.4.2, Puppet Agent prior to 6.25.1, Puppet Agent prior to 7.12.1

References