How severe is CVE-2020-28482?

CVE-2020-28482 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2020-28482 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-28482?

CVE-2020-28482 affects Fastify Fastify-csrf. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-28482?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-28482 published?

CVE-2020-28482 was published on 2021-01-19 and last updated on 2026-06-17.

CVE-2020-28482

CVE-2020-28482 is a medium-severity vulnerability in Fastify Fastify-csrf with a CVSS 3.x base score of 5.9. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 6.8
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Fastify Fastify-csrf
Published: 2021-01-19
Last modified: 2026-06-17

Description

This affects the package fastify-csrf before 3.0.0. 1. The generated cookie used insecure defaults, and did not have the httpOnly flag on: cookieOpts: { path: '/', sameSite: true } 2. The CSRF token was available in the GET query parameter

Frequently asked questions

What is CVE-2020-28482?: This affects the package fastify-csrf before 3.0.0. 1. The generated cookie used insecure defaults, and did not have the httpOnly flag on: cookieOpts: { path: '/', sameSite: true } 2. The CSRF token was available in the GET query parameter
How severe is CVE-2020-28482?: CVE-2020-28482 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2020-28482 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-28482?: CVE-2020-28482 affects Fastify Fastify-csrf. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-28482?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-28482 published?: CVE-2020-28482 was published on 2021-01-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:fastify:fastify-csrf:*:*:*:*:*:node.js:*:*

More vulnerabilities in Fastify Fastify-csrf

CVE-2021-29624 — Medium (CVSS 6.5): fastify-csrf is an open-source plugin helps developers protect their Fastify server against CSRF attacks. Versions of…

All CVEs affecting Fastify Fastify-csrf →

Other CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities

CVE-2026-27604 — Critical (CVSS 10.0): FOSSBilling is a free, open-source billing and client management system. Starting in version 0.5.4 and prior to version…
CVE-2026-40965 — Critical (CVSS 10.0): Cloud Foundry UAA versions v76.12.0 through v78.12.0 are vulnerable to a private key exposure. The server contains a…
CVE-2026-42826 — Critical (CVSS 10.0): Exposure of sensitive information to an unauthorized actor in Azure DevOps allows an unauthorized attacker to disclose…
CVE-2025-29270 — Critical (CVSS 10.0): Incorrect access control in the realtime.cgi endpoint of Deep Sea Electronics devices DSE855 v1.1.0 to v1.1.26 allows…
CVE-2025-61481 — Critical (CVSS 10.0): An issue in MikroTik RouterOS v.7.14.2 and SwOS v.2.18 exposes the WebFig management interface over cleartext HTTP by…
CVE-2025-53624 — Critical (CVSS 10.0): The Docusaurus gists plugin adds a page to your Docusaurus instance, displaying all public gists of a GitHub user.…

Browse all CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities →