Vulnerability · Published Dec 10, 2021 · Assigned by snyk
CVE-2021-23700Prototype Pollution
Medium 6.5
In plain English
A medium-severity security flaw in merge-deep2. 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 merge-deep2 are vulnerable to Prototype Pollution via the mergeDeep() function.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | merge-deep2 | no fix listed | GHSA-j28q-p8ww-cp87 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | merge-deep2 | 0 – before unspecified |
References
- https://snyk.io/vuln/SNYK-JS-MERGEDEEP2-1727593 x_refsource_MISC