What is CVE-2021-23392?

CVE-2021-23392 is a medium-severity vulnerability in Locutus. CVSS score: 5.3/10. Published 2021-06-08.

How severe is CVE-2021-23392?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Locutus

CVE-2021-23392

The package locutus before 2.0.15 are vulnerable to Regular Expression Denial of Service (ReDoS) via the gopher_parsedir function.

Published 2021-06-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.019 (79.9th percentile), scored 2026-10-23.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

Locutus
Locutus — versions unspecified

References

snyk.io/vuln/SNYK-JS-LOCUTUS-1090597 (Exploit, Patch, Third Party Advisory)
github.com/locutusjs/locutus/pull/446 (Patch, Third Party Advisory)
github.com/locutusjs/locutus/commit/eb863321990e7e5514aa14f68b8d9978ece9e65e (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2021-23392?: CVE-2021-23392 is a medium-severity vulnerability in Locutus. CVSS score: 5.3/10. Published 2021-06-08.
How severe is CVE-2021-23392?: Medium severity. CVSS v3 base score is 5.3 out of 10.