CVE-2021-40142
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I. Basic Information for CVE-2021-40142
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
In OPC Foundation Local Discovery Server (LDS) before 1.04.402.463, remote attackers can cause a denial of service (DoS) by sending carefully crafted messages that lead to Access of a Memory Location After the End of a Buffer.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Local Discovery Server 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Local Discovery Server是提供了必要的基础设施来公开暴露给定计算机上可用的 OPC UA 服务器。 Local Discovery Server 1.04.402.463之前版本存在安全漏洞，远程攻击者可以通过发送精心制作的消息来导致拒绝服务，这些消息导致在缓冲区结束后访问内存位置。
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-2021-40142
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://opcfoundation.org/security-bulletins/x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-40142
Same Patch Batch · n/a · 2021-08-27 · 17 CVEs total
| CVE-2021-23434 | 5.6 MEDIUM | Prototype Pollution |
| CVE-2020-18116 | YouDianCMS SQL注入漏洞 | |
| CVE-2020-18114 | Desdev DedeCMS 代码问题漏洞 | |
| CVE-2020-18106 | WMS SQL注入漏洞 | |
| CVE-2021-28233 | ok-file-formats 缓冲区错误漏洞 | |
| CVE-2020-19002 | Mezzanine 跨站脚本漏洞 | |
| CVE-2020-19000 | Simiki 跨站脚本漏洞 | |
| CVE-2020-19001 | Github Simiki 命令注入漏洞 | |
| CVE-2020-18999 | Blog_mini 跨站脚本漏洞 | |
| CVE-2020-18998 | Blog_mini 跨站脚本漏洞 | |
| CVE-2021-3264 | Cxuucms SQL注入漏洞 | |
| CVE-2021-36530 | ngiflib 缓冲区错误漏洞 | |
| CVE-2021-36531 | ngiflib 缓冲区错误漏洞 | |
| CVE-2021-35342 | useradm 代码问题漏洞 | |
| CVE-2020-23226 | Cacti 跨站脚本漏洞 | |
| CVE-2021-40153 | squashfs-tools 路径遍历漏洞 |
IV. Related Vulnerabilities
Same vendor: n/a
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bettercap zerogod IPP Service zerogod_ipp_primitives.go ippR - CVE-2026-8270
Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service
V. Comments for CVE-2021-40142
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