Vulnerability · Published Dec 10, 2021 · Assigned by snyk
CVE-2021-23663Prototype Pollution
Medium 6.5
In plain English
A medium-severity security flaw in sey. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.2%top 31.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
All versions of package sey are vulnerable to Prototype Pollution via the deepmerge() function.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | sey | no fix listed | GHSA-wjpc-cgvw-xx23 |
Affected products (as reported)
References
- https://snyk.io/vuln/SNYK-JS-SEY-1727592 x_refsource_MISC