Vulnerability in Emerson X-Stream Enhanced Xefd
CVE-2021-27463
A vulnerability has been found in multiple revisions of Emerson Rosemount X-STREAM Gas Analyzer. The affected applications utilize persistent cookies where the session cookie attribute is not properly invalidated, allowing an attacker to intercept the cookies and gain access to sensitive information.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.009 (58.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · 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-2021-27463?
- CVE-2021-27463 is a medium-severity vulnerability in Emerson X-Stream Enhanced Xefd, classified under CWE-539. CVSS score: 5.3/10. Published 2021-05-20.
- How severe is CVE-2021-27463?
- Medium severity. CVSS v3 base score is 5.3 out of 10.