CVE-2021-27984
CVE-2021-27984 is a high-severity vulnerability in Pluck-cms Pluck 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. The underlying weakness is classified as CWE-434.
Key facts
- Severity: High (CVSS 3.x base score 8.1)
- CVSS v2: 7.5
- EPSS exploit prediction: 3% (83rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-434
- Affected product: Pluck-cms Pluck
- Published:
- Last modified:
Description
In Pluck-4.7.15 admin background a remote command execution vulnerability exists when uploading files.
Frequently asked questions
- What is CVE-2021-27984?
- In Pluck-4.7.15 admin background a remote command execution vulnerability exists when uploading files.
- How severe is CVE-2021-27984?
- CVE-2021-27984 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-27984 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-27984?
- CVE-2021-27984 affects Pluck-cms Pluck. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-27984?
- 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-2021-27984 published?
- CVE-2021-27984 was published on 2021-12-10 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:pluck-cms:pluck:4.7.15:-:*:*:*:*:*:*
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- CVE-2019-11344 — Critical (CVSS 9.8): data/inc/files.php in Pluck 4.7.8 allows remote attackers to execute arbitrary code by uploading a .htaccess file that…
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