CVE-2020-28449 json
Prototype Pollution
published 5y ago modified 4mo ago also GHSA-vp77-fqqp-79j8 , EUVD-2021-0882
- cvss
- 8.6
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 0
- none known
Summary
This affects all versions of package decal. The vulnerability is in the set function.
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Check with FencerExploit prediction
1.78% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- snyk.io https://snyk.io/vuln/SNYK-JS-DECAL-1051007 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | decal | <=2.1.3 |
no fix listed |
Affected products
- n/a decal
Classification
References
-
snyk.io
/vuln/SNYK-JS-DECAL-1051007
web, exploit, third-party-advisory
-
npmjs.com
/package/decal
web, product, third-party-advisory
-
github.com
/gigafied/decal.js/blob/master/src/utils/set.js%23L45-L73
web, broken-link
-
nvd.nist.gov
/vuln/detail/CVE-2020-28449
advisory
Sources
- CVE List CVE-2020-28449
- GitHub Advisory GHSA-vp77-fqqp-79j8
- NVD CVE-2020-28449
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.