CVE-2021-27020
CVE-2021-27020 is a high-severity vulnerability in Puppet Puppet Enterprise with a CVSS 3.x base score of 8.8. 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-1236.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 1% (61st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-1236
- Affected product: Puppet Puppet Enterprise
- Published:
- Last modified:
Description
Puppet Enterprise presented a security risk by not sanitizing user input when doing a CSV export.
Frequently asked questions
- What is CVE-2021-27020?
- Puppet Enterprise presented a security risk by not sanitizing user input when doing a CSV export.
- How severe is CVE-2021-27020?
- CVE-2021-27020 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-27020 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-27020?
- CVE-2021-27020 affects Puppet Puppet Enterprise. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-27020?
- 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-2021-27020 published?
- CVE-2021-27020 was published on 2021-08-30 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:puppet:puppet_enterprise:*:*:*:*:*:*:*:*
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