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CVE-2021-27019· NVD / CVE Program· CNA puppet

PuppetDB logging included potentially sensitive system information.

MediumCVSS 4.3 · v3.1—No exploit Fix available

Noroxi analysis

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Published
Aug 30, 2021
Updated
Jun 16, 2026
EPSS
0.7% · 53th percentile
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Report tools

JSON

Action score

17

Monitor

Low priority for now.

CVSS
17 / 40 · 4.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.7%

Affected systems

VendorProduct
puppetpuppet enterprise
puppetpuppetdb

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • puppet puppet enterprisebefore 2019.8.6
  • puppet puppetdb6.0.0 and later · before 6.16.1
  • puppet puppetdb7.0.0 and later · before 7.3.1

Versions reported by the vendor

Affected version ranges reported by the assigning authority (puppet). Independent of NVD's CPE analysis and usually ahead of it.

  • n/a PuppetDB, Puppet Enterprise

    • Affects PuppetDB 6.x prior to 6.16.1, PuppetDB 7.x prior to 7.3.1, Puppet Enterprise prior to 2019.8.6affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12puppetdbbefore 7.11.2-27.11.2-2

Same product

puppet: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-5309Broken Session Management in Puppet Enterprise
    39Monitor
  • CVE-2023-2530A privilege escalation allowing remote code execution was discovered in the orchestration service.
    39Monitor
  • CVE-2019-10694The express install, which is the suggested way to install Puppet Enterprise, gives the user a URL at the end of the install to set the admi
    39Monitor
  • CVE-2018-11749When users are configured to use startTLS with RBAC LDAP, at login time, the user's credentials are sent via plaintext to the LDAP server.
    39Monitor
  • CVE-2016-5716The console in Puppet Enterprise 2015.x and 2016.x prior to 2016.4.0 includes unsafe string reads that potentially allows for remote code ex
    36Monitor
  • CVE-2015-7330Puppet Enterprise 2015.3 before 2015.3.1 allows remote attackers to bypass a host whitelist protection mechanism by leveraging the Puppet co
    36Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:puppetdb7.11.2-2 · Debian:12Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
low · data can be read
Integrity
none
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
Low
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-532 · Insertion of Sensitive Information into Log File

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records