Cyber Resilience

CVE-2021-27463

Medium

Published: 20 May 2021

Published
20 May 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0016 37.2th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-27463 is a medium-severity Use of Persistent Cookies Containing Sensitive Information (CWE-539) vulnerability in Emerson X-Stream Enhanced Xegp Firmware. Its CVSS base score is 5.3 (Medium).

Operationally, ranked at the 37.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

sensitive information.

CWE(s)
CWE-539

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

emerson
x-stream enhanced xegp firmware
all versions
emerson
x-stream enhanced xegk firmware
all versions
emerson
x-stream enhanced xefd firmware
all versions
emerson
x-stream enhanced xexf firmware
all versions

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References