CVE-2021-25947
Prototype pollution in nestie
Prototype pollution vulnerability in 'nestie' versions 0.0.0 through 1.0.0 allows an attacker to cause a denial of service and may lead to remote 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
9.8
Prototype pollution vulnerability in 'nestie' versions 0.0.0 through 1.0.0 allows an attacker to cause a denial of service and may lead to remote code execution.
- Record
CVE-2021-25947- 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-1321
- Updated
- 2026-11-02
CVE List No score
Prototype pollution vulnerability in 'nestie' versions 0.0.0 through 1.0.0 allows an attacker to cause a denial of service and may lead to remote code execution.
- Record
CVE-2021-25947- Updated
- 2026-11-02
EUVDEUVD-2021-1356 No score
Prototype pollution vulnerability in 'nestie' versions 0.0.0 through 1.0.0 allows an attacker to cause a denial of service and may lead to remote code execution.
- Record
EUVD-2021-1356- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m7rg-8wvq-846v
9.8
Prototype pollution in nestie
Prototype pollution vulnerability in 'nestie' versions 0.0.0 through 1.0.0 allows an attacker to cause a denial of service and may lead to remote code execution.
- Record
GHSA-m7rg-8wvq-846v- 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-913, CWE-1321
- Updated
- 2026-11-02
OSVGHSA-m7rg-8wvq-846v
9.8
Prototype pollution in nestie
Prototype pollution vulnerability in 'nestie' versions 0.0.0 through 1.0.0 allows an attacker to cause a denial of service and may lead to remote code execution.
- Record
GHSA-m7rg-8wvq-846v- 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-1321, CWE-913
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
nestienpm |
before 1.0.1 | 1.0.1 |
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-2021-25947 is a critical vulnerability (CVSS 9.8) in Nestie Project Nestie, published June 3, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.96%, the 87th percentile. Fixed in nestie 1.0.1.