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CVE-2022-42786— Wiesemann & Theis: XSS vulnerability in web interface of the Com-Server family

Quick assessment

Affected
Wiesemann & Theis Com-Server LC
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.

Wiesemann & Theis Com-Server Family是德国Wiesemann & Theis公司的一系列串行设备服务器。 Wiesemann & Theis Com-Server Family 存在跨站脚本漏洞。攻击者利用该漏洞通过注入配置网页标题的特制有效载荷来执行任意web脚本或HTML。

CVSS 5.4 · Medium EPSS 0.48% · P41

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2022-42786

Vulnerability Information
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Vulnerability Title
Wiesemann & Theis: XSS vulnerability in web interface of the Com-Server family
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple W&T Products of the ComServer Series are prone to an XSS attack. An authenticated remote Attacker can execute arbitrary web scripts or HTML via a crafted payload injected into the title of the configuration webpage
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Wiesemann & Theis Com-Server Family 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wiesemann & Theis Com-Server Family是德国Wiesemann & Theis公司的一系列串行设备服务器。 Wiesemann & Theis Com-Server Family 存在跨站脚本漏洞。攻击者利用该漏洞通过注入配置网页标题的特制有效载荷来执行任意web脚本或HTML。
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
Wiesemann & Theis Com-Server LC 1.0 ~ 1.48 -
Wiesemann & Theis Com-Server PoE 3 x Isolated 1.0 ~ 1.48 -
Wiesemann & Theis Com-Server 20mA 1.0 ~ 1.48 -
Wiesemann & Theis Com-Server ++ 1.0 ~ 1.48 -
Wiesemann & Theis AT-Modem-Emulator 1.0 ~ 1.48 -
Wiesemann & Theis Com-Server UL 1.0 ~ 1.48 -
Wiesemann & Theis Com-Server Highspeed 100BaseFX 1.0 ~ 1.76 -
Wiesemann & Theis Com-Server Highspeed 100BaseLX 1.0 ~ 1.76 -
Wiesemann & Theis Com-Server Highspeed Office 1 Port 1.0 ~ 1.76 -
Wiesemann & Theis Com-Server Highspeed Office 4 Port 1.0 ~ 1.76 -
Wiesemann & Theis Com-Server Highspeed Industry 1.0 ~ 1.76 -
Wiesemann & Theis Com-Server Highspeed OEM 1.0 ~ 1.76 -
Wiesemann & Theis Com-Server Highspeed Compact 1.0 ~ 1.76 -
Wiesemann & Theis Com-Server Highspeed Isolated 1.0 ~ 1.76 -
Wiesemann & Theis Com-Server Highspeed 19" 1Port 1.0 ~ 1.76 -
Wiesemann & Theis Com-Server Highspeed 19" 4Port 1.0 ~ 1.76 -
Wiesemann & Theis Com-Server Highspeed PoE 1.0 ~ 1.76 -

II. Public POCs for CVE-2022-42786

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III. Intelligence Information for CVE-2022-42786

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Other References for CVE-2022-42786 (1)

Same Patch Batch · Wiesemann & Theis · 2022-11-10 · 3 CVEs total

CVE-2022-42785 9.8 CRITICAL Wiesemann & Theis: Authentication bypass in Com-Server family
CVE-2022-42787 8.8 HIGH Wiesemann & Theis: Small number space for allocating session id in Com-Server family

IV. Related Vulnerabilities

Same product: Com-Server LC
Same vendor: Wiesemann & Theis
Same weakness: CWE-79

V. Comments for CVE-2022-42786

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