RCE in Totaljs Total4

CVE-2021-23390

The package total4 before 0.0.43 are vulnerable to Arbitrary Code Execution via the U.set() and U.get() functions.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.030 (85.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Totaljs Total4
N/a Total4 — versions unspecified

Weakness classification (CWE)

CWE-94 — Code Injection

Public proof-of-concept exploits

References

report@snyk.io (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
report@snyk.io (x_refsource_MISC, Broken Link)
report@snyk.io (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-23390?: CVE-2021-23390 is a critical-severity vulnerability in Totaljs Total4, classified under Code Injection. CVSS score: 9.8/10. Published 2021-07-12.
How severe is CVE-2021-23390?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-23390 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.