01 Record
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
UnratedPUBLISHEDCNA: icscert
CNA base scoreUnratedNo CNA CVSS vector
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.90% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 59.2% of scored records. A rank, not a probability.
- NVD base score
- 5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2021-05-20 11:05Z5 YR AGO
- Last updated
- 2024-08-03 20:48Z2 YR AGO
- Reserved
- 2021-02-19
- Assigning CNA
- icscert
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-539Use of Persistent Cookies Containing Sensitive InformationVariant
- Data version
- 5.1
- Document digest
- 43342c651ade849579c81f641ed56f7ab60e9203b15bcb7848b33938f60ff79d
05 Affected products
VendorProductVersionsPlatforms
n/aEmerson Rosemount X-STREAM Gas AnalyzerX-STREAM enhanced XEGP – all revisions, X-STREAM enhanced XEGK – all revisions, X-STREAM enhanced XEFD – all revisions, X-STREAM enhanced XEXF – all revisions—
06 References
- us-cert.cisa.govhttps://us-cert.cisa.gov/ics/advisories/icsa-21-138-01