How severe is CVE-2017-2296?

CVE-2017-2296 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-2296 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-2296?

CVE-2017-2296 primarily affects Puppet Puppet Enterprise. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-2296?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-2296 published?

CVE-2017-2296 was published on 2018-02-01 and last updated on 2026-06-17.

CVE-2017-2296

CVE-2017-2296 is a medium-severity vulnerability in Puppet Puppet Enterprise with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Puppet Puppet Enterprise
Published: 2018-02-01
Last modified: 2026-06-17

Description

In Puppet Enterprise 2017.1.x and 2017.2.1, using specially formatted strings with certain formatting characters as Classifier node group names or RBAC role display names causes errors, effectively causing a DOS to the service. This was resolved in Puppet Enterprise 2017.2.2.

Frequently asked questions

What is CVE-2017-2296?: In Puppet Enterprise 2017.1.x and 2017.2.1, using specially formatted strings with certain formatting characters as Classifier node group names or RBAC role display names causes errors, effectively causing a DOS to the service. This was resolved in Puppet Enterprise 2017.2.2.
How severe is CVE-2017-2296?: CVE-2017-2296 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-2296 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-2296?: CVE-2017-2296 primarily affects Puppet Puppet Enterprise. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-2296?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-2296 published?: CVE-2017-2296 was published on 2018-02-01 and last updated on 2026-06-17.

References

https://puppet.com/security/cve/cve-2017-2296

Affected products (3)

cpe:2.3:a:puppet:puppet_enterprise:2017.1.0:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_enterprise:2017.1.1:*:*:*:*:*:*:*
cpe:2.3:a:puppet:puppet_enterprise:2017.2.1:*:*:*:*:*:*:*

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