Echo: grpc: security update to 1.55.3grpc-1.59: security update to 1.56

high Tenable Cloud Security Plugin ID 455569

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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. (CVE-2023-4785)

Solution

Update the grpc library and its related packages to version 1.55.3 or later.

See Also

https://advisory.echohq.com/cve/CVE-2023-4785

Plugin Details

Severity: High

ID: 455569

Version: Revision 1.2

Type: Local

Published: 10/1/2026

Updated: 10/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.51

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2023-4785

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 11/25/2025

Vulnerability Publication Date: 8/3/2023

Reference Information

CVE: CVE-2023-4785