CVE-2020-5284
CVE-2020-5284 is a medium-severity vulnerability in Zeit Next.js with a CVSS 3.x base score of 4.4. Its EPSS exploit-prediction score of 43% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.
Key facts
- Severity: Medium (CVSS 3.x base score 4.4)
- CVSS v2: 5.0
- EPSS exploit prediction: 43% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Zeit Next.js
- Published:
- Last modified:
Description
Next.js versions before 9.3.2 have a directory traversal vulnerability. Attackers could craft special requests to access files in the dist directory (.next). This does not affect files outside of the dist directory (.next). In general, the dist directory only holds build assets unless your application intentionally stores other assets under this directory. This issue is fixed in version 9.3.2.
Frequently asked questions
- What is CVE-2020-5284?
- Next.js versions before 9.3.2 have a directory traversal vulnerability. Attackers could craft special requests to access files in the dist directory (.next). This does not affect files outside of the dist directory (.next). In general, the dist directory only holds build assets unless your application intentionally stores other assets under this directory. This issue is fixed in version 9.3.2.
- How severe is CVE-2020-5284?
- CVE-2020-5284 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2020-5284 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 43% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-5284?
- CVE-2020-5284 affects Zeit Next.js. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-5284?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-5284 published?
- CVE-2020-5284 was published on 2020-03-30 and last updated on 2026-06-17.
References
- https://github.com/zeit/next.js/releases/tag/v9.3.2
- https://github.com/zeit/next.js/security/advisories/GHSA-fq77-7p7r-83rj
Affected products (1)
- cpe:2.3:a:zeit:next.js:*:*:*:*:*:*:*:*
More vulnerabilities in Zeit Next.js
- CVE-2018-6184 — High (CVSS 7.5): ZEIT Next.js 4 before 4.2.3 has Directory Traversal under the /_next request namespace.
- CVE-2017-16877 — High (CVSS 7.5): ZEIT Next.js before 2.4.1 has directory traversal under the /_next and /static request namespace, allowing attackers to…
- CVE-2018-18282 — Medium (CVSS 6.1): Next.js 7.0.0 and 7.0.1 has XSS via the 404 or 500 /_error page.
All CVEs affecting Zeit Next.js →
Other CWE-22 (Path Traversal) vulnerabilities
- CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
- CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
- CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
- CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
- CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
- CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…