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CVE-2021-27424— GE UR family exposure of sensitive information to an unauthorized actor

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 存在信息泄露漏洞，该漏洞源于Last-key pressed的MODBUS寄存器可用于获取未经授权的信息。

CVSS 5.3 · Medium EPSS 0.88% · P58

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-27424

Vulnerability Information
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Vulnerability Title
GE UR family exposure of sensitive information to an unauthorized actor
Source: CVE Program / CVE List V5
Vulnerability Description
GE UR firmware versions prior to version 8.1x shares MODBUS memory map as part of the communications guide. GE was made aware a “Last-key pressed” MODBUS register can be used to gain unauthorized information.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
GE Grid Solutions UR 信息泄露漏洞
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 存在信息泄露漏洞，该漏洞源于Last-key pressed的MODBUS寄存器可用于获取未经授权的信息。
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-2021-27424

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III. Intelligence Information for CVE-2021-27424

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Vendor Advisories for CVE-2021-27424 (1)

Other References for CVE-2021-27424 (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-2021-27418 5.3 MEDIUM GE UR family input validation
CVE-2021-27420 5.3 MEDIUM GE UR family input validation

IV. Related Vulnerabilities

Same product: UR family
Same vendor: GE
Same weakness: CWE-200

V. Comments for CVE-2021-27424

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