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CVE-2021-23390

29
FAUCET Score

CVE-2021-23390 is a critical arbitrary code execution vulnerability affecting versions of the total4 package prior to 0.0.43. This flaw allows an unauthenticated attacker to execute arbitrary code remotely with low attack complexity, impacting confidentiality, integrity, and availability. Despite its CVSS score of 9.8, there is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.0.43CPE matchmatch criteria
cpe:2.3:a:totaljs:total4:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.99%
Probability of exploitation in next 30 days
EPSS Percentile
85.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0299 is in the 77th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 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: total4Fixed in: 0.0.43

Vendor Advisories (1)

npmGHSA-g7mq-rfj2-25wqcritical

Code Injection in total4

Dec 10, 2021

References

github.com / totaljs/framework4/blob/master/utils.js%23L5430-L5455
Broken Link
github.com / totaljs/framework4/commit/8a72d8c20f38bbcac031a76a51238aa528f68821
PatchThird Party Advisory
snyk.io / vuln/SNYK-JS-TOTAL4-1130527
ExploitPatchThird Party Advisory