How severe is CVE-2021-27024?

CVE-2021-27024 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2021-27024 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-27024?

CVE-2021-27024 affects Puppet Continuous Delivery. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-27024?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-27024 published?

CVE-2021-27024 was published on 2021-11-18 and last updated on 2026-06-17.

CVE-2021-27024

CVE-2021-27024 is a high-severity vulnerability in Puppet Continuous Delivery with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 5.5
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Puppet Continuous Delivery
Published: 2021-11-18
Last modified: 2026-06-17

Description

A flaw was discovered in Continuous Delivery for Puppet Enterprise (CD4PE) that results in a user with lower privileges being able to access a Puppet Enterprise API token. This issue is resolved in CD4PE 4.10.0

Frequently asked questions

What is CVE-2021-27024?: A flaw was discovered in Continuous Delivery for Puppet Enterprise (CD4PE) that results in a user with lower privileges being able to access a Puppet Enterprise API token. This issue is resolved in CD4PE 4.10.0
How severe is CVE-2021-27024?: CVE-2021-27024 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2021-27024 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-27024?: CVE-2021-27024 affects Puppet Continuous Delivery. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-27024?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-27024 published?: CVE-2021-27024 was published on 2021-11-18 and last updated on 2026-06-17.

References

https://puppet.com/security/cve/cve-2021-27024

Affected products (1)

cpe:2.3:a:puppet:continuous_delivery:*:*:*:*:puppet_enterprise:*:*:*

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