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TI-2021-18826 Aliases CVE-2021-42540GHSA-2gp7-jhh8-9gqw

The affected product is vulnerable to a unsanitized extract folder for system…

Priority MEDIUM 40CWE-123Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.01028 63rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
EmersonWirelessHART Gateway1410 – 4.7.94; 1410D – 4.7.94; 1420 – 4.7.94—No fix listedCNA
  • WirelessHART Gateway VendorEmerson Affected 1410 – 4.7.94; 1410D – 4.7.94; 1420 – 4.7.94 Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:o:emerson:wireless_1410_gateway_firmware:*:*:*:*:*:*:*:*before 4.7.94VulnerableEmerson
cpe:2.3:h:emerson:wireless_1410_gateway:*:*:*:*:*:*:*:*all versionsRunning onEmerson
cpe:2.3:o:emerson:wireless_1410d_gateway_firmware:*:*:*:*:*:*:*:*before 4.7.94VulnerableEmerson
cpe:2.3:h:emerson:wireless_1410d_gateway:*:*:*:*:*:*:*:*all versionsRunning onEmerson
cpe:2.3:o:emerson:wireless_1420_gateway_firmware:*:*:*:*:*:*:*:*before 4.7.94VulnerableEmerson
cpe:2.3:h:emerson:wireless_1420_gateway:-:*:*:*:*:*:*:*not specified by NVDRunning onEmerson
  • cpe:2.3:o:emerson:wireless_1410_gateway_firmware:*:*:*:*:*:*:*:* Versions before 4.7.94 Vulnerable ·Emerson
  • cpe:2.3:h:emerson:wireless_1410_gateway:*:*:*:*:*:*:*:* Versions all versions Running on ·Emerson
  • cpe:2.3:o:emerson:wireless_1410d_gateway_firmware:*:*:*:*:*:*:*:* Versions before 4.7.94 Vulnerable ·Emerson
  • cpe:2.3:h:emerson:wireless_1410d_gateway:*:*:*:*:*:*:*:* Versions all versions Running on ·Emerson
  • cpe:2.3:o:emerson:wireless_1420_gateway_firmware:*:*:*:*:*:*:*:* Versions before 4.7.94 Vulnerable ·Emerson
  • cpe:2.3:h:emerson:wireless_1420_gateway:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Emerson

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-42540
  2. 2026-10-03 Alias added: GHSA-2gp7-jhh8-9gqw

References

  • TI-2020-09689 Emerson WirelessHART Gateway CVSS 3.1CRITICAL 10.0
  • TI-2021-18827 Path traversal in Emerson WirelessHART Gateway CVSS 3.1HIGH 8.8
  • TI-2021-18824 OS command injection in Emerson WirelessHART Gateway CVSS 3.1HIGH 8.8
  • TI-2021-16085 Improper input validation in Emerson WirelessHART Gateway CVSS 3.1HIGH 8.8
  • TI-2021-18825 Missing authentication in Emerson WirelessHART Gateway CVSS 3.1HIGH 8.8
  • TI-2021-18822 Information disclosure in Emerson WirelessHART Gateway CVSS 3.1HIGH 8.0

Sources