CVE-2020-7768

Name: CVE-2020-7768
Creator: NVD / NIST
Published: 2020-11-11T11:15:10.93+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.55%

Last modified Jun 17, 2026

CVE-2020-7768 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The package grpc before 1.24.4; the package @grpc/grpc-js before 1.1.8 are vulnerable to Prototype Pollution via loadPackageDefinition.. EPSS estimates a 3.55% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

3.55%

87.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1321

Affected Software

Vendor	Product	Versions
Grpc	Grpc	< 1.1.8
Grpc	Grpc	< 1.24.2

References

https://github.com/grpc/grpc-node/pull/1605Patch, Third Party Advisory
https://github.com/grpc/grpc-node/pull/1606Patch, Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1038819Mitigation, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-GRPC-598671Mitigation, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-GRPCGRPCJS-1038818Mitigation, Third Party Advisory
https://github.com/grpc/grpc-node/pull/1605Patch, Third Party Advisory
https://github.com/grpc/grpc-node/pull/1606Patch, Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1038819Mitigation, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-GRPC-598671Mitigation, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-GRPCGRPCJS-1038818Mitigation, Third Party Advisory

Timeline

Published: Nov 11, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is 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.

How severe is CVE-2020-7768?

CVE-2020-7768 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.55% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7768?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-7768?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST