CVE-2021-27019Network attack vector

Authenticated information disclosure through logging

Published Aug 30, 2021 · Updated Aug 3, 2024

Sensitive information exposure in PuppetDB and Puppet Enterprise allows remote authenticated users to obtain logged system data. The vendor has not disclosed which PuppetDB log message, request path, or system fields caused sensitive values to be written to logs. Low-privileged network access is required, and the reported impact is limited to confidentiality across PuppetDB 6.0.0 through 6.16.0 and 7.0.0 through 7.3.0 and Puppet Enterprise before 2019.8.6.

CVSS severity4.3
Medium
EPSS probability0.74%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Sensitive information exposure in PuppetDB and Puppet Enterprise allows remote authenticated users to obtain logged system data. The vendor has not disclosed which PuppetDB log message, request path, or system fields caused sensitive values to be written to logs. Low-privileged network access is required, and the reported impact is limited to confidentiality across PuppetDB 6.0.0 through 6.16.0 and 7.0.0 through 7.3.0 and Puppet Enterprise before 2019.8.6.

The record

CVE
CVE-2021-27019
Published
Aug 30, 2021
Updated
Aug 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-532
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 30, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.0NIST NVDAV:N/AC:L/Au:S/C:P/I:N/A:N
4.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-532Insertion of Sensitive Information into Log File

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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