Vulnerability in Fastify Session

CVE-2024-35220

@fastify/session is a session plugin for fastify. Requires the @fastify/cookie plugin. When restoring the cookie from the session store, the `expires` field is overriden if the `maxAge` field was set. This means a cookie is never correctly detected as expired and thus expired sessions are not destroyed. This vulnerability has been patched 10.8.0.

EPSS: 0.004 (36.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-35220?
CVE-2024-35220 is a high-severity vulnerability in Fastify Session, classified under Insufficient Session Expiration. CVSS score: 7.4/10. Published 2024-05-21.
How severe is CVE-2024-35220?
High severity. CVSS v3 base score is 7.4 out of 10.