CVE-2020-7768: grpc Prototype Pollution
CVSS: 9.8v3.1CriticalModified
AliasesGHSA-pp75-xfpw-37g9
Published 11-11-2020Last modified 17-09-2024
Vulnerability summary
CVE-2020-7768 is a critical (CVSS 9.8) Prototype Pollution vulnerability in grpc. EPSS estimates a 4.03% chance of exploitation in the next 30 days, higher than 90.4% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
4.03%
0%100%
Low · -0.16 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-11-2020PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
The package grpc before 1.24.4; the package @grpc/grpc-js before 1.1.8 are vulnerable to Prototype Pollution via loadPackageDefinition.
CVSS metrics
4 scores · 3 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources3 sources · 7.5–9.8
- CVE.orgCNA7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:CDiffers
- OSV · NpmEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HDiffers
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
4.03%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
-0.16 pp
From 4.19% on 20-09-2026
20-09-202620-10-2026
EPSS score4.03%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
3 vendors · 3 products
