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CVE-2020-4066

24
FAUCET Score

CVE-2020-4066 is a command injection vulnerability in the trainBatch function of the Limdu library, affecting versions prior to 0.95. This flaw allows highly privileged attackers to execute arbitrary commands remotely over the network with low attack complexity, leading to high impacts on confidentiality, integrity, and availability. The vulnerability has a CVSS score of 7.2 (HIGH) and is categorized as CWE-78. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage regarding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.9.5CPE matchmatch criteria
cpe:2.3:a:limdu_project:limdu:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.8LOW

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.2
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.63%
Probability of exploitation in next 30 days
EPSS Percentile
73.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0163 is in the 68th percentile among its peer group of 5,531 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 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)

npmpatch availablevia ghsa
Product: limduFixed in: 0.9.5
github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

npmGHSA-77qv-gh6f-pgh4low

Command Injection in Limdu

Jun 22, 2020

References

github.com / erelsgl/limdu/security/advisories/GHSA-77qv-gh6f-pgh4
Vendor Advisory