Description
This affects all versions of package immer.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| snykCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:U/RC:C |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 2.3% · top 16% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- Prototype Pollution
Affected products
immer
- affected < unspecified
Affected packages
From reviewed advisories of the GitHub Advisory Database.
References (3)
- https://snyk.io/vuln/SNYK-JS-IMMER-1019369 (opens in a new tab)x_refsource_MISCx_transferred
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1061986 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/immerjs/immer/blob/master/src/plugins/patches.ts%23L213 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-9qmh-276g-x5pj (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-28477)Record last updated .