Vulnerability · Published Mar 17, 2022 · Assigned by snyk
CVE-2021-23771Sandbox Bypass
Medium 6.5
In plain English
A medium-severity security flaw in argencoders-notevil. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.0%top 36.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
This affects all versions of package notevil; all versions of package argencoders-notevil. It is vulnerable to Sandbox Escape leading to Prototype pollution. The package fails to restrict access to the main context, allowing an attacker to add or modify an object's prototype. **Note:** This vulnerability derives from an incomplete fix in [SNYK-JS-NOTEVIL-608878](https://security.snyk.io/vuln/SNYK-JS-NOTEVIL-608878).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | argencoders-notevil | no fix listed | GHSA-8g4m-cjm2-96wq |
| npm | notevil | no fix listed | GHSA-8g4m-cjm2-96wq |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | notevil | 0 – before unspecified |
| n/a | argencoders-notevil | 0 – before unspecified |
References
- https://snyk.io/vuln/SNYK-JS-NOTEVIL-2385946 x_refsource_MISC
- https://snyk.io/vuln/SNYK-JS-ARGENCODERSNOTEVIL-2388587 x_refsource_MISC