Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2023-4785

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
13/09/2023
Last modified:
12/01/2026

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

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:grpc:grpc:*:*:*:*:*:-:*:* 1.23.0 (including) 1.53.2 (excluding)
cpe:2.3:a:grpc:grpc:*:*:*:*:*:-:*:* 1.54.0 (including) 1.54.3 (excluding)
cpe:2.3:a:grpc:grpc:*:*:*:*:*:-:*:* 1.55.0 (including) 1.55.3 (excluding)
cpe:2.3:a:grpc:grpc:1.56.0:*:*:*:*:-:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools