Vulnerability · Published Aug 11, 2021 · Assigned by snyk
CVE-2021-23421Prototype Pollution
Medium 5.6
In plain English
A medium-severity security flaw in merge-change. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities).
Severity (CVSS 3.1)5.6Medium
Exploit odds (30 days)1.1%top 34.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
All versions of package merge-change are vulnerable to Prototype Pollution via the utils.set function.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | merge-change | no fix listed | GHSA-f9cv-665r-275h |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | merge-change | 0 – before unspecified |