What is CVE-2021-41641?

CVE-2021-41641 is a high-severity vulnerability in Deno, classified under Improper Link Resolution Before File Access. CVSS score: 8.4/10. Published 2022-06-12.

How severe is CVE-2021-41641?

High severity. CVSS v3 base score is 8.4 out of 10.

Vulnerability in Deno

CVE-2021-41641

Deno <=1.14.0 file sandbox does not handle symbolic links correctly. When running Deno with specific write access, the Deno.symlink method can be used to gain access to any directory.

EPSS: 0.004 (30.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N.

Affected products

Deno
N/a — versions n/a

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2021-41641?: CVE-2021-41641 is a high-severity vulnerability in Deno, classified under Improper Link Resolution Before File Access. CVSS score: 8.4/10. Published 2022-06-12.
How severe is CVE-2021-41641?: High severity. CVSS v3 base score is 8.4 out of 10.