Medium severity · published May 20, 2021
CVE-2021-27463
A vulnerability has been found in multiple revisions of Emerson Rosemount X-STREAM Gas Analyzer
5.3
CVSS
0.9%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 59% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XE
X-stream Enhanced Xefd Firmware · Emerson
All versions, or not specified · source: NVD
XE
X-stream Enhanced Xegk Firmware · Emerson
All versions, or not specified · source: NVD
XE
X-stream Enhanced Xegp Firmware · Emerson
All versions, or not specified · source: NVD
XE
X-stream Enhanced Xexf Firmware · Emerson
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-27463
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-27463
Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-138-01
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