CVE-2021-27459: Malicious File Upload
Published May 20, 2021
·Updated
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 Software
12 affected components
Emerson X-STREAM enhanced XEGP – all revisions
Emerson X-STREAM enhanced XEGK – all revisions
Emerson X-STREAM enhanced XEFD – all revisions
Emerson X-STREAM enhanced XEXF – all revisions
Emerson X-stream Enhanced Xegp Firmware
Emerson X-STREAM enhanced XEGP
Emerson X-stream Enhanced Xegk Firmware
Emerson X-stream Enhanced Xegk
Emerson X-stream Enhanced Xefd Firmware
Emerson X-stream Enhanced Xefd
Emerson X-stream Enhanced Xexf Firmware
Emerson X-stream Enhanced Xexf
Event History
May 20, 2021
CVE Published
via MITRE·11:51 AM
Data Sourced
via MITRE·11:51 AM
DescriptionWeakness
Frequently Asked Questions
1
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2021-27459.
2
What products are affected by this vulnerability?
Multiple revisions of Emerson Rosemount X-STREAM Gas Analyzer are affected by this vulnerability.
3
What is the severity of CVE-2021-27459?
The severity of CVE-2021-27459 is critical with a CVSS score of 9.8.
4
How can an attacker exploit this vulnerability?
An attacker can exploit this vulnerability by uploading unvalidated files to the webserver of the affected products, allowing them to execute arbitrary code.
5
Is there a fix available for this vulnerability?
Please refer to the vendor's advisory or security bulletin for information on available fixes or patches for this vulnerability.