Arbitrary file upload in Emerson X-stream_enhanced_xefd
CVE-2021-27459
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.
Vulnerability class: Unrestricted File Upload
EPSS: 0.018 (75.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Emerson X-stream_enhanced_xefd
- Emerson X-stream_enhanced_xefd_firmware
- Emerson X-stream_enhanced_xegk
- Emerson X-stream_enhanced_xegk_firmware
- Emerson X-stream_enhanced_xegp
- Emerson X-stream_enhanced_xegp_firmware
- Emerson X-stream_enhanced_xexf
- Emerson X-stream_enhanced_xexf_firmware
- N/a Emerson Rosemount X-stream Gas Analyzer — versions X-STREAM enhanced XEGP – all revisions, X-STREAM enhanced XEGK – all revisions, X-STREAM enhanced XEFD – all revisions, X-STREAM enhanced XEXF – all revisions
Weakness classification (CWE)
References
- ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-27459?
- CVE-2021-27459 is a critical-severity vulnerability in Emerson X-stream_enhanced_xefd, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2021-05-20.
- How severe is CVE-2021-27459?
- Critical severity. CVSS v3 base score is 9.8 out of 10.