Prototype Pollution in Grpc

CVE-2020-7768

The package grpc before 1.24.4; the package @grpc/grpc-js before 1.1.8 are vulnerable to Prototype Pollution via loadPackageDefinition.

Vulnerability class: Prototype Pollution

EPSS: 0.036 (88.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Grpc
  • N/a Grpc — versions unspecified
  • N/a @Grpc/grpc-js — versions unspecified

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-7768?
CVE-2020-7768 is a high-severity vulnerability in Grpc, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 7.5/10. Published 2020-11-11.
How severe is CVE-2020-7768?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-7768 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.