CVE-2020-7639
eivindfjeldstad-dot contains prototype pollution vulnerability
eivindfjeldstad-dot below 1.0.3 is vulnerable to Prototype Pollution.The function 'set' could be tricked into adding or modifying properties of 'Object.prototype' using a 'proto' payload.
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
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
5.3
eivindfjeldstad-dot below 1.0.3 is vulnerable to Prototype Pollution.The function 'set' could be tricked into adding or modifying properties of 'Object.prototype' using a 'proto' payload.
- Record
CVE-2020-7639- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-1321
- Updated
- 2026-11-02
CVE List No score
eivindfjeldstad-dot below 1.0.3 is vulnerable to Prototype Pollution.The function 'set' could be tricked into adding or modifying properties of 'Object.prototype' using a 'proto' payload.
- Record
CVE-2020-7639- Updated
- 2026-11-02
EUVDEUVD-2021-1218 No score
eivindfjeldstad-dot below 1.0.3 is vulnerable to Prototype Pollution.The function 'set' could be tricked into adding or modifying properties of 'Object.prototype' using a 'proto' payload.
- Record
EUVD-2021-1218- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-wfwq-xc57-fq7v
5.3
eivindfjeldstad-dot contains prototype pollution vulnerability
eivindfjeldstad-dot below 1.0.3 is vulnerable to Prototype Pollution.The function 'set' could be tricked into adding or modifying properties of 'Object.prototype' using a 'proto' payload.
- Record
GHSA-wfwq-xc57-fq7v- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-915, CWE-1321
- Updated
- 2026-11-02
OSV
5.3
eivindfjeldstad-dot below 1.0.3 is vulnerable to Prototype Pollution.The function 'set' could be tricked into adding or modifying properties of 'Object.prototype' using a 'proto' payload.
- Record
CVE-2020-7639- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-wfwq-xc57-fq7v
5.3
eivindfjeldstad-dot contains prototype pollution vulnerability
eivindfjeldstad-dot below 1.0.3 is vulnerable to Prototype Pollution.The function 'set' could be tricked into adding or modifying properties of 'Object.prototype' using a 'proto' payload.
- Record
GHSA-wfwq-xc57-fq7v- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-1321, CWE-915
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
@eivifj/dotnpm |
before 1.0.3 | 1.0.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-7639 is a medium vulnerability (CVSS 5.3) in Dot Project Dot, published April 6, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.10%, the 65th percentile. Fixed in @eivifj/dot 1.0.3.