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CVE-2024-2873— User authentication bypass in wolfSSH server

Quick assessment

Affected
wolfSSL Inc. wolfSSH
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

wolfSSH是一个小型、快速、可移植的 SSH 实现，包括对 SCP 和 SFTP 的支持。 wolfSSH 1.4.17之前版本存在安全漏洞。攻击者利用该漏洞可以在不首先执行用户身份验证的情况下创建通道，从而导致未经授权的访问。

CVSS 9.1 · Critical EPSS 0.62% · P48
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I. Basic Information for CVE-2024-2873

Vulnerability Information
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Vulnerability Title
User authentication bypass in wolfSSH server
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in wolfSSH's server-side state machine before versions 1.4.17. A malicious client could create channels without first performing user authentication, resulting in unauthorized access.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
wolfSSH 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
wolfSSH是一个小型、快速、可移植的 SSH 实现，包括对 SCP 和 SFTP 的支持。 wolfSSH 1.4.17之前版本存在安全漏洞。攻击者利用该漏洞可以在不首先执行用户身份验证的情况下创建通道，从而导致未经授权的访问。
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)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
wolfSSL Inc. wolfSSH 0 ~ v1.4.16 -

II. Public POCs for CVE-2024-2873

# POC Description Source Link Shenlong Link
1 None https://github.com/stuxbench/dropbear-cve-2024-2873 POC Details
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Qwen3.6-35B-A3B · 7493 chars
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III. Intelligence Information for CVE-2024-2873

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Patches & Fixes for CVE-2024-2873 (2)

Vendor Pages for CVE-2024-2873 (1)

IV. Related Vulnerabilities

Same product: wolfSSH
Same vendor: wolfSSL Inc.
Same weakness: CWE-287

V. Comments for CVE-2024-2873

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