What is CVE-2022-39218?

CVE-2022-39218 is a high-severity vulnerability in Fastly Js-compute-runtime, classified under Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG). CVSS score: 7.5/10. Published 2022-09-20.

How severe is CVE-2022-39218?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Fastly Js-compute-runtime

CVE-2022-39218

The JS Compute Runtime for Fastly's Compute@Edge platform provides the environment JavaScript is executed in when using the Compute@Edge JavaScript SDK. In versions prior to 0.5.3, the `Math.random` and `crypto.getRandomValues` methods fai…

EPSS: 0.001 (26.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Fastly Js-compute-runtime — versions < 0.5.3

Weakness classification (CWE)

CWE-335 — Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG)

References

github.com/fastly/js-compute-runtime/security/advisories/GHSA-cmr8-5w4c-44v8 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2022-39218?: CVE-2022-39218 is a high-severity vulnerability in Fastly Js-compute-runtime, classified under Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG). CVSS score: 7.5/10. Published 2022-09-20.
How severe is CVE-2022-39218?: High severity. CVSS v3 base score is 7.5 out of 10.