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CVE-2021-27418— GE UR family input validation

Quick assessment

Affected
GE UR family
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.

GE Grid Solutions UR是法国 （GE Grid Solutions）公司的一个嵌入式操作系统。提供高性能保护，可扩展的I / O，集成的监视和计量，高速通信以及广泛的编程和配置功能。 GE Grid Solutions UR 存在跨站脚本漏洞，该漏洞源于无法正确验证用户输入，攻击者可利用该漏洞发送恶意脚本。

CVSS 5.3 · Medium EPSS 0.61% · P47
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I. Basic Information for CVE-2021-27418

Vulnerability Information
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Vulnerability Title
GE UR family input validation
Source: CVE Program / CVE List V5
Vulnerability Description
GE UR firmware versions prior to version 8.1x supports web interface with read-only access. The device fails to properly validate user input, making it possible to perform cross-site scripting attacks, which may be used to send a malicious script. Also, UR Firmware web server does not perform HTML encoding of user-supplied strings.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
GE Grid Solutions UR 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GE Grid Solutions UR是法国 （GE Grid Solutions）公司的一个嵌入式操作系统。提供高性能保护，可扩展的I / O，集成的监视和计量，高速通信以及广泛的编程和配置功能。 GE Grid Solutions UR 存在跨站脚本漏洞，该漏洞源于无法正确验证用户输入，攻击者可利用该漏洞发送恶意脚本。
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
GE UR family unspecified ~ 8.1x -

II. Public POCs for CVE-2021-27418

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III. Intelligence Information for CVE-2021-27418

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Vendor Advisories for CVE-2021-27418 (1)

Other References for CVE-2021-27418 (1)

Same Patch Batch · GE · 2022-03-23 · 7 CVEs total

CVE-2021-27426 9.8 CRITICAL GE UR family insecure default variable initialization
CVE-2021-27428 9.8 CRITICAL GE UR family Unrestricted Upload of File with Dangerous Type
CVE-2021-27430 8.4 HIGH GE UR family hardcoded credentials
CVE-2021-27422 7.5 HIGH GE UR family exposure of sensitive information to an unauthorized actor
CVE-2021-27420 5.3 MEDIUM GE UR family input validation
CVE-2021-27424 5.3 MEDIUM GE UR family exposure of sensitive information to an unauthorized actor

IV. Related Vulnerabilities

Same product: UR family
Same vendor: GE
Same weakness: CWE-20

V. Comments for CVE-2021-27418

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