Vulnerability · Published Sep 17, 2021 · Assigned by snyk
CVE-2021-23442Prototype Pollution
High 8.6
In plain English
A high-severity security flaw in @cookiex/deep. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.6High
Exploit odds (30 days)1.6%top 24.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
This affects all versions of package @cookiex/deep. The global proto object can be polluted using the __proto__ object.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | @cookiex/deep | 0.0.7 | GHSA-92v9-xh2q-fq9f |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | @cookiex/deep | 0 – before unspecified |
References
- https://snyk.io/vuln/SNYK-JS-COOKIEXDEEP-1582793 x_refsource_MISC
- https://github.com/tony-tsx/cookiex-deep/issues/1 x_refsource_MISC
- https://github.com/tony-tsx/cookiex-deep/commit/b5bea2b7f34a5fa9abb4446cbd038ecdbcd09c88 x_refsource_MISC