CVE-2020-28478 json
Prototype Pollution
published 5y ago modified 4mo ago also GHSA-6g8v-hpgw-h2v7 , EUVD-2021-0494
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
This affects the package gsap before 3.6.0.
Patch / fix
Is CVE-2020-28478 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
1.62% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- snyk.io https://snyk.io/vuln/SNYK-JS-GSAP-1054614 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | gsap | <3.6.0 |
3.6.0 |
Affected products
- n/a gsap
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
References
-
snyk.io
/vuln/SNYK-JS-GSAP-1054614
web, exploit, third-party-advisory
-
github.com
/greensock/GSAP/blob/master/src/gsap-core.js%23L147
web, broken-link
-
nvd.nist.gov
/vuln/detail/CVE-2020-28478
advisory
-
github.com
/greensock/GSAP/blob/master/src/gsap-core.js#L150
web
-
github.com
/greensock/GSAP/releases/tag/3.6.0
web
-
npmjs.com
/package/gsap/v/3.6.0
web
Sources
- CVE List CVE-2020-28478
- GitHub Advisory GHSA-6g8v-hpgw-h2v7
- NVD CVE-2020-28478
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.