CVE-2023-4785
Denial of Service Vulnerability in gRPC TCP Server (Posix-compatible platforms)
7.5
HIGH
CVSS 3.1
EPSS 0.04%
Description
Lack of error handling in the TCP server in Google's gRPC starting version 1.23 on posix-compatible platforms (ex. Linux) allows an attacker to cause a denial of service by initiating a significant number of connections with the server. Note that gRPC C++ Python, and Ruby are affected, but gRPC Java, and Go are NOT affected.
How to fix CVE-2023-4785
To remediate CVE-2023-4785, upgrade the affected package to a fixed version below.
- —no fix listed
- —upgrade to 1.55.3 or later
- —upgrade to 1.56.2 or later
Is CVE-2023-4785 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0
- >= 1.55.0, < 1.55.3
- >= 1.56.0, < 1.56.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |