CVE-2021-27463

moderate-risk
Published 2021-05-20

A vulnerability has been found in multiple revisions of Emerson Rosemount X-STREAM Gas Analyzer. The affected applications utilize persistent cookies where the session cookie attribute is not properly invalidated, allowing an attacker to intercept the cookies and gain access to sensitive information.

Do I need to act?

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0.16% 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
5
CVSS 5.3/10 Medium
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
32
/ 100
moderate-risk
Severity 21/34 · High
Exploitability 1/34 · Minimal
Exposure 10/34 · Low