CVE-2021-42540
Emerson WirelessHART Gateway
HIGH
8.8
CVSS Score
Published: October 22, 2021 at 01:23 PM UTC
Updated: June 17, 2026 at 04:09 AM UTC
6 products affected across 1 vendorWireless 1420 Gateway FirmwareWireless 1410 Gateway FirmwareWireless 1410D Gateway Firmware
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Severity
HIGH8.8
Exploit prediction
EPSS 1%
Description
The affected product is vulnerable to a unsanitized extract folder for system configuration. A low-privileged user can leverage this logic to overwrite the settings and other key functionality.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 4.7.94
Affected range stops below 4.7.94, so it looks safe — our inference, not a vendor statement
emerson-wireless-1410-gateway (same device)
v < 4.7.94
Affected range stops below 4.7.94, so it looks safe — our inference, not a vendor statement
emerson-wireless-1410d-gateway (same device)
v < 4.7.94
Affected range stops below 4.7.94, so it looks safe — our inference, not a vendor statement
emerson-wireless-1420-gateway (same device)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_CONFIRMPatchThird Party AdvisoryUS Government Resource
Source: [email protected]
https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-123
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