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CVE-2021-27459

nvd nist
Published: May 20, 2021Modified: Jun 17, 2026

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9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: NVD

Description

A vulnerability has been found in multiple revisions of Emerson Rosemount X-STREAM Gas Analyzer. The webserver of the affected products allows unvalidated files to be uploaded, which an attacker could utilize to execute arbitrary code.

Affected (4)

Emerson
4 products
X Stream Enhanced Xegp Firmware
X Stream Enhanced Xegk Firmware
X Stream Enhanced Xefd Firmware
X Stream Enhanced Xexf Firmware
Configuration A
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
X Stream Enhanced Xegp Firmware
All versions
Running on/withPlatform Versions
Emerson
X Stream Enhanced Xegp
All versions
Configuration B
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
X Stream Enhanced Xegk Firmware
All versions
Running on/withPlatform Versions
Emerson
X Stream Enhanced Xegk
All versions
Configuration C
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
X Stream Enhanced Xefd Firmware
All versions
Running on/withPlatform Versions
Emerson
X Stream Enhanced Xefd
All versions
Configuration D
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
X Stream Enhanced Xexf Firmware
All versions
Running on/withPlatform Versions
Emerson
X Stream Enhanced Xexf
All versions

Related CWEs

CWE-434
Unrestricted Upload of File with Dangerous Type
The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

References (2)

Source: ics-cert@hq.dhs.gov
Third Party AdvisoryUS Government Resource
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryUS Government Resource

Timeline

No history available yet.