CVE-2023-4785— Denial of Service in gRPC Core
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2023-4785
Vulnerability Information
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Vulnerability Title
Denial of Service in gRPC Core
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未捕获的异常
Source: CVE Program / CVE List V5
Vulnerability Title
gRPC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
gRPC是gRPC开源的一种现代、开源、高性能的远程过程调用 (RPC) 框架。 gRPC 1.23版本存在安全漏洞，该漏洞源于TCP服务器中缺乏错误处理，允许攻击者通过启动与服务器的大量连接来导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2023-4785
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Patches & Fixes for CVE-2023-4785 (4)
IV. Related Vulnerabilities
Same product: gRPC
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Authorization bypass via path binding override in elixir-grp - CVE-2026-48854
Unbounded request body accumulation causes memory exhaustion - CVE-2024-7246
HPACK table poisoning in gRPC C++, Python & Ruby
Same weakness: CWE-248
- CVE-2026-72813
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Uncaught Exception in Kibana Leading to Denial of Service - CVE-2026-18675
Kong Mesh: control plane denial of service via a malformed d - CVE-2026-52856
Wings: Maliciously crafted packet during SFTP connection han
V. Comments for CVE-2023-4785
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