How severe is CVE-2021-23389?

CVE-2021-23389 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-23389 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-23389?

CVE-2021-23389 affects Totaljs Total.js. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-23389?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-23389 published?

CVE-2021-23389 was published on 2021-07-12 and last updated on 2026-06-17.

CVE-2021-23389

CVE-2021-23389 is a critical-severity vulnerability in Totaljs Total.js with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Totaljs Total.js
Published: 2021-07-12
Last modified: 2026-06-17

Description

The package total.js before 3.4.9 are vulnerable to Arbitrary Code Execution via the U.set() and U.get() functions.

Frequently asked questions

What is CVE-2021-23389?: The package total.js before 3.4.9 are vulnerable to Arbitrary Code Execution via the U.set() and U.get() functions.
How severe is CVE-2021-23389?: CVE-2021-23389 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-23389 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-23389?: CVE-2021-23389 affects Totaljs Total.js. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-23389?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-23389 published?: CVE-2021-23389 was published on 2021-07-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:totaljs:total.js:*:*:*:*:*:node.js:*:*

More vulnerabilities in Totaljs Total.js

CVE-2021-23344 — Critical (CVSS 9.8): The package total.js before 3.4.8 are vulnerable to Remote Code Execution (RCE) via set.
CVE-2024-48655 — High (CVSS 8.8): An issue in Total.js CMS v.1.0 allows a remote attacker to execute arbitrary code via the func.js file.
CVE-2022-44019 — High (CVSS 8.8): In Total.js 4 before 0e5ace7, /api/common/ping can achieve remote command execution via shell metacharacters in the…
CVE-2020-28494 — High (CVSS 8.6): This affects the package total.js before 3.4.7. The issue occurs in the image.pipe and image.stream functions. The type…
CVE-2021-32831 — High (CVSS 7.5): Total.js framework (npm package total.js) is a framework for Node.js platfrom written in pure JavaScript similar to…
CVE-2019-8903 — High (CVSS 7.5): index.js in Total.js Platform before 3.2.3 allows path traversal.

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