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CVE-2024-40493

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

FreeCoAP是Keith Cullen个人开发者的一个C 语言实现的CoAP 服务器、客户端、HTTP/CoAP 代理。 FreeCoAP 0.7版本存在安全漏洞，该漏洞源于coap_client_exchange_blockwise2函数中的空指针取消引用，允许远程攻击者通过特制的CoAP数据包造成拒绝服务并执行任意代码。

AI Predicted 8.1 Difficulty: Moderate EPSS 0.78% · P55

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2024-40493

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Null Pointer Dereference in `coap_client_exchange_blockwise2` function in Keith Cullen FreeCoAP 1.0 allows remote attackers to cause a denial of service and potentially execute arbitrary code via a specially crafted CoAP packet that causes `coap_msg_get_payload(resp)` to return a null pointer, which is then dereferenced in a call to `memcpy`.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
FreeCoAP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FreeCoAP是Keith Cullen个人开发者的一个C 语言实现的CoAP 服务器、客户端、HTTP/CoAP 代理。 FreeCoAP 0.7版本存在安全漏洞，该漏洞源于coap_client_exchange_blockwise2函数中的空指针取消引用，允许远程攻击者通过特制的CoAP数据包造成拒绝服务并执行任意代码。
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

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2024-40493

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III. Intelligence Information for CVE-2024-40493

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Same Patch Batch · n/a · 2024-10-22 · 29 CVEs total

CVE-2024-49209 6.5 MEDIUM Archer Platform 安全漏洞
CVE-2024-49208 5.9 MEDIUM Archer Platform 安全漏洞
CVE-2024-49210 5.2 MEDIUM Archer Platform 安全漏洞
CVE-2024-49211 5.2 MEDIUM Archer Platform 安全漏洞
CVE-2024-48605 Helakuru 安全漏洞
CVE-2022-23861 YSoft SAFEQ 安全漏洞
CVE-2022-23862 YSoft SAFEQ 安全漏洞
CVE-2024-42643 SmartDNS 安全漏洞
CVE-2024-46483 Xlight FTP 安全漏洞
CVE-2024-46240 Collabtive 安全漏洞
CVE-2024-46538 pfSense 安全漏洞
CVE-2024-46482 Faveo Helpdesk 安全漏洞
CVE-2024-40494 FreeCoAP 安全漏洞
CVE-2024-26519 Casa Systems NTC-221 安全漏洞
CVE-2024-48644 Reolink Duo 2 WiFi Camera 安全漏洞
CVE-2024-48708 Collabtive 安全漏洞
CVE-2024-48657 Hospital Management System 安全漏洞
CVE-2024-48415 itsourcecode Loan Management System 安全漏洞
CVE-2024-45518 Zimbra Collaboration Server 安全漏洞
CVE-2024-48656 Student Management System 安全漏洞

Showing top 20 of 29 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2024-40493

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