{"cve":"CVE-2021-27457","nvd":{"published":"2021-05-20T12:15:08.077","modified":"2026-06-17T03:44:53.967","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-327","CWE-326"],"references":["https://us-cert.cisa.gov/ics/advisories/icsa-21-138-01","https://us-cert.cisa.gov/ics/advisories/icsa-21-138-01"],"products":["emerson:x-stream_enhanced_xefd_firmware","emerson:x-stream_enhanced_xegk_firmware","emerson:x-stream_enhanced_xegp_firmware","emerson:x-stream_enhanced_xexf_firmware"],"source":"nvd","synced_at":"2026-10-19T21:18:09.669877188+00:00"},"epss":{"cve":"CVE-2021-27457","score":0.00452,"percentile":0.39297,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}