Auth bypass in Emerson X-Stream Enhanced Xefd
CVE-2020-27254
Emerson Rosemount X-STREAM Gas AnalyzerX-STREAM enhanced XEGP, XEGK, XEFD, XEXF – all revisions, The affected products are vulnerable to improper authentication for accessing log and backup data, which could allow an attacker with a specially crafted URL to obtain access to sensitive information.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.013 (69.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: +0.000
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
- Emerson Rosemount X-Stream Gas Analyzer — versions X-STREAM enhanced XEGP, XEGK, XEFD, XEXF – all revisions
Weakness classification (CWE)
References
- us-cert.cisa.gov/ics/advisories/icsa-20-352-01 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-27254?
- CVE-2020-27254 is a high-severity vulnerability in Emerson X-Stream Enhanced Xefd, classified under Improper Authentication. CVSS score: 7.5/10. Published 2020-12-21.
- How severe is CVE-2020-27254?
- High severity. CVSS v3 base score is 7.5 out of 10.