What is CVE-2021-42139?

CVE-2021-42139 is a critical-severity vulnerability in Deno Standard Modules, classified under Code Injection. CVSS score: 9.8/10. Published 2021-10-11.

How severe is CVE-2021-42139?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Deno Standard Modules

CVE-2021-42139

Deno Standard Modules before 0.107.0 allows Code Injection via an untrusted YAML file in certain configurations.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.020 (78.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Deno Deno_standard_modules
N/a — versions n/a

Weakness classification (CWE)

CWE-94 — Code Injection

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-42139?: CVE-2021-42139 is a critical-severity vulnerability in Deno Standard Modules, classified under Code Injection. CVSS score: 9.8/10. Published 2021-10-11.
How severe is CVE-2021-42139?: Critical severity. CVSS v3 base score is 9.8 out of 10.