What is the CVSS score of CVE-2020-7673?

CVE-2020-7673 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: 2.5%.

Is there a public PoC exploit available for CVE-2020-7673?

Yes, a public proof-of-concept exploit is available for CVE-2020-7673. Prioritise patching immediately. EPSS: 2.5%.

Node Extend CVE-2020-7673

CRITICAL

Code Injection (CWE-94)

2020-06-10 report@snyk.io

RCE Code Injection Node Extend

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

Jun 10, 2020 - 16:15 nvd

CRITICAL 9.8

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

22 npm packages depend on node-extend (16 direct, 6 indirect)

Ecosystem-wide dependent count for version 0.2.0.

DescriptionNVD

node-extend through 0.2.0 is vulnerable to Arbitrary Code Execution. User input provided to the argument A of extend function(A,B,as,isAargs) located within lib/extend.js is executed by the eval function, resulting in code execution.

AnalysisAI

node-extend through 0.2.0 is vulnerable to Arbitrary Code Execution. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Code Injection (CWE-94), which allows attackers to inject and execute arbitrary code within the application. node-extend through 0.2.0 is vulnerable to Arbitrary Code Execution. User input provided to the argument A of extend function(A,B,as,isAargs) located within lib/extend.js is executed by the eval function, resulting in code execution. Affected products include: Node-Extend Project Node-Extend. Version information: through 0.2.0.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Never evaluate user-controlled input as code. Use sandboxing, disable dangerous functions, apply strict input validation.