CVE-2018-11751
CVE-2018-11751 is a medium-severity vulnerability in Puppet Puppet Server with a CVSS 3.x base score of 5.4. 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-295.
Key facts
- Severity: Medium (CVSS 3.x base score 5.4)
- CVSS v2: 4.8
- EPSS exploit prediction: 1% (45th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-295
- Affected product: Puppet Puppet Server
- Published:
- Last modified:
Description
Previous versions of Puppet Agent didn't verify the peer in the SSL connection prior to downloading the CRL. This issue is resolved in Puppet Agent 6.4.0.
Frequently asked questions
- What is CVE-2018-11751?
- Previous versions of Puppet Agent didn't verify the peer in the SSL connection prior to downloading the CRL. This issue is resolved in Puppet Agent 6.4.0.
- How severe is CVE-2018-11751?
- CVE-2018-11751 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
- Is CVE-2018-11751 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-11751?
- CVE-2018-11751 affects Puppet Puppet Server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-11751?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-11751 published?
- CVE-2018-11751 was published on 2019-12-16 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:puppet:puppet_server:*:*:*:*:*:*:*:*
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