CVE-2021-27461

HIGH

7.5

CVSS Score

Published: May 20, 2021 at 11:51 AM UTC

Updated: June 17, 2026 at 03:44 AM UTC

8 products affected across 1 vendorX Stream Enhanced Xegk FirmwareX Stream Enhanced Xefd FirmwareX Stream Enhanced Xegp Firmware

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Severity

HIGH7.5

Exploit prediction

EPSS 1%

Description

A vulnerability has been found in multiple revisions of Emerson Rosemount X-STREAM Gas Analyzer. The affected webserver applications allow access to stored data that can be obtained by using specially crafted URLs.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

X Stream Enhanced Xefd Firmware · Emerson

95%

All versions

emerson-x-stream-enhanced-xefd (same device)

X Stream Enhanced Xegk Firmware · Emerson

95%

All versions

emerson-x-stream-enhanced-xegk (same device)

X Stream Enhanced Xegp Firmware · Emerson

95%

All versions

emerson-x-stream-enhanced-xegp (same device)

X Stream Enhanced Xexf Firmware · Emerson

95%

All versions

emerson-x-stream-enhanced-xexf (same device)

X-STREAM Enhanced XEFD · Emerson

60%

X-STREAM enhanced XEGP – all revisions, X-STREAM enhanced XEGK – all revisions, X-STREAM enhanced XEFD – all revisions, X-

X-STREAM Enhanced XEGK · Emerson

60%

X-STREAM enhanced XEGP – all revisions, X-STREAM enhanced XEGK – all revisions, X-STREAM enhanced XEFD – all revisions, X-

X-STREAM Enhanced XEGP · Emerson

60%

X-STREAM enhanced XEGP – all revisions, X-STREAM enhanced XEGK – all revisions, X-STREAM enhanced XEFD – all revisions, X-

X-STREAM Enhanced XEXF · Emerson

60%

X-STREAM enhanced XEGP – all revisions, X-STREAM enhanced XEGK – all revisions, X-STREAM enhanced XEFD – all revisions, X-

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCThird Party AdvisoryUS Government Resource

Source: [email protected]

https://us-cert.cisa.gov/ics/advisories/icsa-21-138-01

CVSS

7.5HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-22

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