CVE-2021-42536: Emerson WirelessHART Gateway
First published: Tue Oct 05 2021(Updated: )
The affected product is vulnerable to a disclosure of peer username and password by allowing all users access to read global variables.
Credit: ics-cert@hq.dhs.gov ics-cert@hq.dhs.gov
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Emerson Wireless 1410 Gateway Firmware | <4.7.94 | |
| Emerson Wireless 1410 Gateway | ||
| Emerson Wireless 1410d Gateway Firmware | <4.7.94 | |
| Emerson Wireless 1410d Gateway | ||
| Emerson Wireless 1420 Gateway Firmware | <4.7.94 | |
| Emerson Wireless 1420 Gateway | ||
| Emerson WirelessHART 1410 Gateway | <4.7.94 | 4.7.94 |
| Emerson WirelessHART 1410D Gateway | <4.7.94 | 4.7.94 |
| Emerson WirelessHART 1420 Gateway | <4.7.94 | 4.7.94 |
| All of | ||
| Emerson Wireless 1410 Gateway Firmware | <4.7.94 | |
| Emerson Wireless 1410 Gateway | ||
| All of | ||
| Emerson Wireless 1410d Gateway Firmware | <4.7.94 | |
| Emerson Wireless 1410d Gateway | ||
| All of | ||
| Emerson Wireless 1420 Gateway Firmware | <4.7.94 | |
| Emerson Wireless 1420 Gateway |
Remedy
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.
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is CVE-2021-42536?
CVE-2021-42536 is a vulnerability in Emerson Wireless 1410 and 1420 Gateway Firmware that allows all users to read global variables, leading to a disclosure of peer username and password.
What is the severity of CVE-2021-42536?
The severity of CVE-2021-42536 is high with a CVSS score of 6.5.
Which software versions are affected by CVE-2021-42536?
Emerson Wireless 1410 Gateway Firmware versions up to and excluding 4.7.94 and Emerson Wireless 1420 Gateway Firmware versions up to and excluding 4.7.94 are affected by CVE-2021-42536.
How does CVE-2021-42536 affect Emerson Wireless 1410 and 1420 Gateways?
CVE-2021-42536 allows all users to read global variables, which can lead to a disclosure of peer username and password.
Where can I find more information about CVE-2021-42536?
You can find more information about CVE-2021-42536 on the US-CERT website at https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02.
- collector/nvd-index
- agent/type
- agent/references
- agent/weakness
- agent/description
- collector/ics-cert-advisory
- source/ICS
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/remedy
- agent/title
- agent/first-publish-date
- collector/nvd-api
- source/NVD
- agent/last-modified-date
- agent/author
- agent/tags
- agent/event
- agent/softwarecombine
- agent/trending
- vendor/emerson
- canonical/emerson wireless 1410 gateway firmware
- canonical/emerson wireless 1410 gateway
- canonical/emerson wireless 1410d gateway firmware
- canonical/emerson wireless 1410d gateway
- canonical/emerson wireless 1420 gateway firmware
- canonical/emerson wireless 1420 gateway
- canonical/emerson wirelesshart 1410 gateway
- canonical/emerson wirelesshart 1410d gateway
- canonical/emerson wirelesshart 1420 gateway