Vulnerability · Published Aug 10, 2021 · Assigned by mitre
CVE-2021-38384
Critical 9.8
In plain English
A critical-severity security flaw in the serverless-offline package (npm). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities).
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.5%top 26.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Serverless Offline 8.0.0 returns a 403 HTTP status code for a route that has a trailing / character, which might cause a developer to implement incorrect access control, because the actual behavior within the Amazon AWS environment is a 200 HTTP status code (i.e., possibly greater than expected permissions).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | serverless-offline | no fix listed | GHSA-h97f-5258-5593 |
Affected products (as reported)
References
- https://github.com/dherault/serverless-offline/issues/1259 x_refsource_MISC