CVE-2021-42539

Emerson WirelessHART Gateway

Description

The affected product is vulnerable to a missing permission validation on system backup restore, which could lead to account take over and unapproved settings change.

Remediation

Solution:

  • 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.

Category

8.0
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.18%
Third-Party Advisory cisa.gov
Affected: Emerson WirelessHART Gateway
Published at:
Updated at:

References

Link Tags
https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02 patch third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2021-42539?
CVE-2021-42539 has been scored as a high severity vulnerability.
How to fix CVE-2021-42539?
To fix CVE-2021-42539: 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.
Is CVE-2021-42539 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-42539 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-42539?
CVE-2021-42539 affects Emerson WirelessHART Gateway.
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