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CVE-2021-23392

24
FAUCET Score

CVE-2021-23392 is a Regular Expression Denial of Service (ReDoS) vulnerability affecting versions of the locutus package prior to 2.0.15, specifically within the gopher_parsedir function. This vulnerability carries a CVSS score of 7.5 (High), indicating that it can be exploited remotely with low attack complexity, leading to a high impact on availability without requiring user interaction or privileges. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.0.15CPE matchmatch criteria
cpe:2.3:a:locutus:locutus:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.94%
Probability of exploitation in next 30 days
EPSS Percentile
77.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0194 is in the 61st percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: locutusFixed in: 2.0.15

Vendor Advisories (1)

npmGHSA-39q4-p535-c852high

Uncontrolled Resource Consumption in locutus

Jun 10, 2021

References

github.com / locutusjs/locutus/commit/eb863321990e7e5514aa14f68b8d9978ece9e65e
PatchThird Party Advisory
github.com / locutusjs/locutus/pull/446
PatchThird Party Advisory
snyk.io / vuln/SNYK-JS-LOCUTUS-1090597
ExploitPatchThird Party Advisory