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CVE-2021-45420

Quick assessment

Affected
n/a n/a
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.

Emerson Xweb-500是美国Emerson公司的一个基于 Web 服务器技术的数据记录和远程监控系统。 Emerson Xweb-500 存在安全漏洞，该漏洞源于Emerson Dixell XWEB-500产品受到/cgi-bin/logo_extra_upload.cgi, /cgi-bin/cal_save.cgi, 和 /cgi-bin/lo_utils.cgi 任意文件写入漏洞的影响。攻击者可利用该漏洞在没有任何身份验证机制的情况下向目标系统写入任何文件，这可能导致拒绝服务和可能的远程

AI Predicted 9.8 Difficulty: Trivial EPSS 18.96% · P97

Public Exploits 1

Nuclei · 1 CVE-2021-45420.yaml [template]

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2021-45420

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Emerson Dixell XWEB-500 products are affected by arbitrary file write vulnerability in /cgi-bin/logo_extra_upload.cgi, /cgi-bin/cal_save.cgi, and /cgi-bin/lo_utils.cgi. An attacker will be able to write any file on the target system without any kind of authentication mechanism, and this can lead to denial of service and potentially remote code execution. Note: the product has not been supported since 2018 and should be removed or replaced.
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
Emerson Xweb-500 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Emerson Xweb-500是美国Emerson公司的一个基于 Web 服务器技术的数据记录和远程监控系统。 Emerson Xweb-500 存在安全漏洞，该漏洞源于Emerson Dixell XWEB-500产品受到/cgi-bin/logo_extra_upload.cgi, /cgi-bin/cal_save.cgi, 和 /cgi-bin/lo_utils.cgi 任意文件写入漏洞的影响。攻击者可利用该漏洞在没有任何身份验证机制的情况下向目标系统写入任何文件，这可能导致拒绝服务和可能的远程
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)

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Affected Products

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

II. Public POCs for CVE-2021-45420

# POC Description Source Link Shenlong Link
1 Emerson Dixell XWEB-500 products are affected by arbitrary file write vulnerabilities in /cgi-bin/logo_extra_upload.cgi, /cgi-bin/cal_save.cgi, and /cgi-bin/lo_utils.cgi. An attacker will be able to write any file on the target system without any kind of authentication mechanism, and this can lead to denial of service and potentially remote code execution. Note that this product has not been supported since 2018 and should be removed or replaced. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/dixell-xweb500-filewrite.yaml POC Details
2 Emerson Dixell XWEB-500 contains an arbitrary file write caused by unauthenticated access to /cgi-bin/logo_extra_upload.cgi, /cgi-bin/cal_save.cgi, and /cgi-bin/lo_utils.cgi, letting attackers write any file on the system, exploit requires no authentication. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-45420.yaml POC Details
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III. Intelligence Information for CVE-2021-45420

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Other References for CVE-2021-45420 (2)

Same Patch Batch · n/a · 2022-02-14 · 32 CVEs total

CVE-2021-45310 Sangoma Technologies Corporation Switchvox 信息泄露漏洞
CVE-2021-45346 SQLite 安全漏洞
CVE-2022-24110 Kiteworks MFT 安全漏洞
CVE-2021-45421 Emerson Dixell XWEB-500 信息泄露漏洞
CVE-2022-24686 Hashicorp Nomad 竞争条件问题漏洞
CVE-2021-46371 AntD Admin 访问控制错误漏洞
CVE-2021-45392 Tenda Router AX12 缓冲区错误漏洞
CVE-2022-22854 Sourcecodester Hospital Patient Records Management System安全漏洞
CVE-2022-23367 Fulusso 跨站脚本漏洞
CVE-2021-45347 zzcms 授权问题漏洞
CVE-2022-25150 Malwarebytes 安全漏洞
CVE-2022-24988 galois_2p8 安全漏洞
CVE-2021-45348 Attendance Management System 安全漏洞
CVE-2021-43106 Compass Plus e-Commerce Payment Gateway 安全漏洞
CVE-2019-16864 Enterprise Distributed Technologies CompleteFTP Server 命令注入漏洞
CVE-2019-25057 R3 Corda 安全漏洞
CVE-2021-46463 NGINX 安全漏洞
CVE-2022-22295 Metinfo MetInfo SQL注入漏洞
CVE-2022-23335 Metinfo MetInfo SQL注入漏洞
CVE-2022-23336 S-CMS SQL注入漏洞

Showing top 20 of 32 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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

V. Comments for CVE-2021-45420

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