CVE-2023-4785

HIGH

Grpc < 1.53.2 - Denial of Service

Title source: rule

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.

References (5)

[Issue Tracking, Patch] https://github.com/grpc/grpc/pull/33656

[Issue Tracking] https://github.com/grpc/grpc/pull/33667

[Issue Tracking] https://github.com/grpc/grpc/pull/33669

[Issue Tracking] https://github.com/grpc/grpc/pull/33670

[Issue Tracking] https://github.com/grpc/grpc/pull/33672

Scores

CVSS v3 7.5

EPSS 0.0006

EPSS Percentile 17.1%

Attack Vector NETWORK

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

Classification

CWE

CWE-248

Status published

Affected Products (4)

grpc/grpc < 1.53.2

grpc/grpc

rubygems/grpc < 1.56.2RubyGems

pypi/grpcio < 1.55.3PyPI

Timeline

Published Sep 13, 2023

Tracked Since Feb 18, 2026