How severe is CVE-2018-6515?

CVE-2018-6515 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-6515 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-6515?

CVE-2018-6515 affects Puppet. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-6515?

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-2018-6515 published?

CVE-2018-6515 was published on 2018-06-11 and last updated on 2026-06-17.

CVE-2018-6515

CVE-2018-6515 is a high-severity vulnerability in Puppet with a CVSS 3.x base score of 7.8. 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: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Puppet
Published: 2018-06-11
Last modified: 2026-06-17

Description

Puppet Agent 1.10.x prior to 1.10.13, Puppet Agent 5.3.x prior to 5.3.7, and Puppet Agent 5.5.x prior to 5.5.2 on Windows only, with a specially crafted configuration file an attacker could get pxp-agent to load arbitrary code with privilege escalation.

Frequently asked questions

What is CVE-2018-6515?: Puppet Agent 1.10.x prior to 1.10.13, Puppet Agent 5.3.x prior to 5.3.7, and Puppet Agent 5.5.x prior to 5.5.2 on Windows only, with a specially crafted configuration file an attacker could get pxp-agent to load arbitrary code with privilege escalation.
How severe is CVE-2018-6515?: CVE-2018-6515 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-6515 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-6515?: CVE-2018-6515 affects Puppet. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-6515?: 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-2018-6515 published?: CVE-2018-6515 was published on 2018-06-11 and last updated on 2026-06-17.

References

https://puppet.com/security/cve/CVE-2018-6515

Affected products (1)

cpe:2.3:a:puppet:puppet:*:*:*:*:*:*:*:*

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