What’s Vulnerable › Vulnerabilities

CVE-2021-38384

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-08-10 · updated 2026-06-17
• Weakness: CWE-755

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 products

• Serverless Offline Project Serverless Offline: 8.0.0

References

• https://github.com/dherault/serverless-offline/issues/1259
• https://github.com/dherault/serverless-offline/issues/1259

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