CVE-2020-28273 json
Prototype pollution in set-in
published 2020-12-02 5 y ago modified 2026-06-17 4 mo ago also GHSA-qr4p-c9wr-phr6 , EUVD-2021-0700
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.0%
- EPSS 4.0% chance of exploitation in 30 days, percentile 90%
- public exploits
- 0
- none known
Summary
Prototype pollution vulnerability in 'set-in' versions 1.0.0 through 2.0.0 allows attacker to cause a denial of service and may lead to remote code execution.
Patch / fix
Exploit prediction
4.04% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- whitesourcesoftware.com https://www.whitesourcesoftware.com/vulnerability-database/CVE-2020-28273 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | set-in | <2.0.1 |
2.0.1 |
Affected products
- n/a set-in
Classification
- Weakness
-
- CWE-1321 Improperly Controlled Modification of Object Prototype Attributes
References
-
github.com
/ahdinosaur/set-in/commit/e431effa00195a6f06b111e09733cd1445a91a88
web, patch, third-party-advisory
-
whitesourcesoftware.com
/vulnerability-database/CVE-2020-28273
web, exploit, third-party-advisory
-
whitesourcesoftware.com
/vulnerability-database
third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-28273
advisory
Sources
- CVE List CVE-2020-28273
- GitHub Advisory GHSA-qr4p-c9wr-phr6
- NVD CVE-2020-28273
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