Is CVE-2023-4785 actively exploited?

CVE-2023-4785 has no public evidence of in-the-wild exploitation as of 2026-01-12.

What is the CVSS score for CVE-2023-4785?

CVE-2023-4785 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2023-4785?

Patch guidance is available from grpc security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-4785.

Which products are affected by CVE-2023-4785?

4 products: grpc grpc, grpc grpc, grpc grpc, grpc grpc.

Fix CVE-2023-4785 - HIGH grpc grpc

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-248NVD-CWE-noinfo

Metadata

Primary Vendor: GRPC
Published: 9/13/2023
Last Modified: 1/12/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

grpc : grpcgrpc : grpcgrpc : grpcgrpc : grpc

Remediation Guidance

Executive Summary

Cite this page

CVE-2023-4785. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2023-4785

View on NIST NVD

CVE-2023-4785 vulnerability