CVE-2021-27457 — HIGH (7.5)

Vulnerability Description

A vulnerability has been found in multiple revisions of Emerson Rosemount X-STREAM Gas Analyzer. The affected products utilize a weak encryption algorithm for storage of sensitive data, which may allow an attacker to more easily obtain credentials used for access.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Emerson	X-Stream Enhanced Xegp Firmware	All versions
Emerson	X-Stream Enhanced Xegp	-
Emerson	X-Stream Enhanced Xegk Firmware	All versions
Emerson	X-Stream Enhanced Xegk	-
Emerson	X-Stream Enhanced Xefd Firmware	All versions
Emerson	X-Stream Enhanced Xefd	-
Emerson	X-Stream Enhanced Xexf Firmware	All versions
Emerson	X-Stream Enhanced Xexf	-

Related Weaknesses (CWE)

CWE-326 CWE-327

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-138-01Third Party AdvisoryUS Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-138-01Third Party AdvisoryUS Government Resource

FAQ

What is CVE-2021-27457?

CVE-2021-27457 is a vulnerability with a CVSS score of 7.5 (HIGH). A vulnerability has been found in multiple revisions of Emerson Rosemount X-STREAM Gas Analyzer. The affected products utilize a weak encryption algorithm for storage of sensitive data, which may allo...

How severe is CVE-2021-27457?

CVE-2021-27457 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-27457?

Check the references section above for vendor advisories and patch information. Affected products include: Emerson X-Stream Enhanced Xegp Firmware, Emerson X-Stream Enhanced Xegp, Emerson X-Stream Enhanced Xegk Firmware, Emerson X-Stream Enhanced Xegk, Emerson X-Stream Enhanced Xefd Firmware.