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01 Record

CVE-2021-42536

Emerson WirelessHART Gateway

HighPUBLISHEDCNA: icscert
CNA base score8.0 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

02 Description

Emerson WirelessHART Gateway

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
0.94% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 60.6% of scored records. A rank, not a probability.
NVD base score
6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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
2021-10-22 13:23Z5 YR AGO
Last updated
2024-09-17 00:41Z2 YR AGO
Reserved
2021-10-15
Assigning CNA
icscert
Record state
PUBLISHED
Severity
High (CVSS 8.0)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
  • CWE-668Exposure of Resource to Wrong SphereClass
Data version
5.1
Document digest
42ba1a22d6922de1670937dbdf36086212593794fa6d58e5caf5fc83d507b2aa

05 Affected products

VendorProductVersionsPlatforms
EmersonWirelessHART Gateway1410 to 4.7.94, 1410D to 4.7.94, 1420 to 4.7.94—

06 References

07 Remediation

Emerson recommends upgrading to v4.7.105 to address these vulnerabilities. Users can visit the Emerson Gate Firmware site for and download instructions. If affected users do not yet have a free Guardian account, please see the updated Emerson Gateway Firmware download process by following the link above and viewing the download guide.