CVE-2021-27457

🗓️ 20 May 2021 11:51:36Reported by icscertType

cve🔗 web.nvd.nist.gov📰️ 3 Media mentions👁 75 Views

Vulnerability in Emerson Rosemount X-STREAM Gas Analyzer, weak encryption of sensitive dat

Reporter	Title	Published	Views	Family All 11
attackerkb	CVE-2021-27457	20 May 202112:15	–	attackerkb
BDU FSTEC	Emerson Rosemount X-STREAM Disclosure	31 Jan 202400:00	–	bdu_fstec
CNNVD	Emerson Rosemount X-STREAM Gas Analyzer encryption vulnerability	18 May 202100:00	–	cnnvd
Cvelist	CVE-2021-27457	20 May 202111:51	–	cvelist
EUVD	EUVD-2021-14211	7 Oct 202500:30	–	euvd
ICS	ICSA-21-138-01_Emerson Rosemount X-STREAM	18 May 202100:00	–	ics
NVD	CVE-2021-27457	20 May 202112:15	–	nvd
Prion	Design/Logic Flaw	20 May 202112:15	–	prion
Positive Technologies	PT-2021-7986	18 May 202100:00	–	ptsecurity
Rapid7 Vulnerability Database (full)	CVE-2021-27457: Inadequate Encryption Strength	20 May 202100:00	–	rapid7

NVD

Node

AND

emerson x-stream_enhanced_xegp_firmware

emerson x-stream_enhanced_xegpMatch-

Node

AND

emerson x-stream_enhanced_xegk_firmware

emerson x-stream_enhanced_xegkMatch-

Node

AND

emerson x-stream_enhanced_xefd_firmware

emerson x-stream_enhanced_xefdMatch-

Node

AND

emerson x-stream_enhanced_xexf_firmware

emerson x-stream_enhanced_xexfMatch-

[
  {
    "product": "Emerson Rosemount X-STREAM Gas Analyzer",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "X-STREAM enhanced XEGP – all revisions, X-STREAM enhanced XEGK – all revisions, X-STREAM enhanced XEFD – all revisions, X-STREAM enhanced XEXF – all revisions"
      }
    ]
  }
]

Source	Link
us-cert	www.us-cert.cisa.gov/ics/advisories/icsa-21-138-01

17 Jun 2026 03:44Current

7.4High risk

Vulners AI Score7.4

CVSS 25

CVSS 3.17.5

EPSS0.00452