What is the CVSS score of CVE-2021-23390?

CVE-2021-23390 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 2.9%.

Is there a public PoC exploit available for CVE-2021-23390?

Yes, a public proof-of-concept exploit is available for CVE-2021-23390. Prioritise patching immediately. EPSS: 2.9%.

Is there a patch available for CVE-2021-23390?

Yes, a patch is available for CVE-2021-23390. Update the affected software to the latest version immediately.

Total4 CVE-2021-23390

CRITICAL

Code Injection (CWE-94)

2021-07-12 report@snyk.io

RCE Code Injection Total4

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jul 12, 2021 - 16:15 nvd

CRITICAL 9.8

DescriptionNVD

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

AnalysisAI

The package total4 before 0.0.43 are vulnerable to Arbitrary Code Execution via the U.set() and U.get() functions. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Code Injection (CWE-94), which allows attackers to inject and execute arbitrary code within the application. The package total4 before 0.0.43 are vulnerable to Arbitrary Code Execution via the U.set() and U.get() functions. Affected products include: Totaljs Total4. Version information: before 0.0.43.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Never evaluate user-controlled input as code. Use sandboxing, disable dangerous functions, apply strict input validation.