CVE-2020-7639 json
eivindfjeldstad-dot contains prototype pollution vulnerability
published 2020-04-06 6 y ago modified 2026-10-08 31 d ago also GHSA-wfwq-xc57-fq7v , EUVD-2021-1218
- cvss
- 5.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 65%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 31 d ago
Exploit prediction
1.10% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- snyk.io https://snyk.io/vuln/SNYK-JS-EIVIFJDOT-564435 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
| GitHub | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | @eivifj/dot | <1.0.3 |
1.0.3 |
Affected products
- n/a @eivifj/dot
Classification
References
-
github.com
/eivindfjeldstad/dot/commit/774e4b0c97ca35d2ae40df2cd14428d37dd07a0b
web, patch, third-party-advisory
-
snyk.io
/vuln/SNYK-JS-EIVIFJDOT-564435
web, exploit, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-7639
advisory
-
github.com
/eivindfjeldstad/dot
package
Sources
- CVE List CVE-2020-7639
- GitHub Advisory GHSA-wfwq-xc57-fq7v
- NVD CVE-2020-7639
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