OCTOBER 1, 2026
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Case File

CVE-2021-27459

CRITICAL · CVSS 9.8 EPSS 1.75%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-05-20 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. See the original NVD description below for full technical details.

CVE
CVE-2021-27459
Severity
CRITICAL
CVSS
9.8
EPSS
1.75%

Original 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)