Vulnerability in Emerson X-Stream Enhanced Xefd
CVE-2021-27457
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.
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: 0.005 (36.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · 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 – all revisions, X-STREAM enhanced XEGK – all revisions, X-STREAM enhanced XEFD – all revisions, X-STREAM enhanced XEXF – all revisions
Weakness classification (CWE)
References
- us-cert.cisa.gov/ics/advisories/icsa-21-138-01 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-27457?
- CVE-2021-27457 is a high-severity vulnerability in Emerson X-Stream Enhanced Xefd, classified under Inadequate Encryption Strength. CVSS score: 7.5/10. Published 2021-05-20.
- How severe is CVE-2021-27457?
- High severity. CVSS v3 base score is 7.5 out of 10.