CVE-2021-27459

moderate-risk
Published 2021-05-20

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.

Do I need to act?

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0.69% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (4)

X-Stream Enhanced Xegp Firmware
X-Stream Enhanced Xegk Firmware
X-Stream Enhanced Xefd Firmware
X-Stream Enhanced Xexf Firmware

Affected Vendors

Emerson

References (2)

Third Party Advisory https://us-cert.cisa.gov/ics/advisories/icsa-21-138-01
Third Party Advisory https://us-cert.cisa.gov/ics/advisories/icsa-21-138-01
44
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 2/34 · Minimal
Exposure 10/34 · Low