CVE-2021-27459
Last modified
CVE-2021-27459 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A vulnerability has been found in multiple revisions of Emerson Rosemount X-STREAM Gas Analyzer. The webserver of the affected products allows unvalidated files to be uploaded, which an attacker could utilize to execute arbitrary code.. EPSS estimates a 1.75% chance of exploitation in the next 30 days.
Description
A vulnerability has been found in multiple revisions of Emerson Rosemount X-STREAM Gas Analyzer. The webserver of the affected products allows unvalidated files to be uploaded, which an attacker could utilize to execute arbitrary code.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| 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 |
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-138-01Third Party Advisory, US Government Resource
- https://us-cert.cisa.gov/ics/advisories/icsa-21-138-01Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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