Critical severity9.8NVD Advisory· Published May 20, 2021· Updated Jun 17, 2026
CVE-2021-27459
CVE-2021-27459
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
6- cpe:2.3:o:emerson:x-stream_enhanced_xefd_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:emerson:x-stream_enhanced_xegk_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:emerson:x-stream_enhanced_xegp_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:emerson:x-stream_enhanced_xexf_firmware:*:*:*:*:*:*:*:*
- Emerson/Rosemount X-STREAM Gas Analyzerdescription
Patches
Vulnerability mechanics
References
1- us-cert.cisa.gov/ics/advisories/icsa-21-138-01nvdThird Party AdvisoryUS Government Resource
News mentions
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