CVE-2023-4785 - CVE House
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Status published High CVE-2023-4785

Denial of Service in gRPC Core

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

gRPC
Vulnerable Versions:
0, 1.57, 1.56.0, 1.55.0, 1.54.0, 1.53.0

Timeline

Official Publish: September 13th, 2023
Last Modified: January 12th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)