CVE-2020-7673
Code Injection in node-extend
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-7673- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-94
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-7673- Updated
- 2026-11-02
EUVDEUVD-2021-1043 No score
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.
- Record
EUVD-2021-1043- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cg42-4wrc-gp47
Code Injection in node-extend
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.
- Record
GHSA-cg42-4wrc-gp47- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
OSVGHSA-cg42-4wrc-gp47
Code Injection in node-extend
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.
- Record
GHSA-cg42-4wrc-gp47- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
node-extendnpm |
through 0.2.0 | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-7673 is a critical vulnerability (CVSS 9.8) in Node-extend Project Node-extend, published June 10, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.57%, the 85th percentile. No source names a fixed version.