CVE-2021-42540 — HIGH (8.0)

Q: What is CVE-2021-42540?

CVE-2021-42540 is a vulnerability with a CVSS score of 8.0 (HIGH). 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.

Q: How severe is CVE-2021-42540?

CVE-2021-42540 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-42540?

Check the references section above for vendor advisories and patch information. Affected products include: Emerson Wireless 1410 Gateway Firmware, Emerson Wireless 1410 Gateway, Emerson Wireless 1410D Gateway Firmware, Emerson Wireless 1410D Gateway, Emerson Wireless 1420 Gateway Firmware.

Vulnerability 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.

CVSS Score

8.0

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Emerson	Wireless 1410 Gateway Firmware	< 4.7.94
Emerson	Wireless 1410 Gateway	All versions
Emerson	Wireless 1410D Gateway Firmware	< 4.7.94
Emerson	Wireless 1410D Gateway	All versions
Emerson	Wireless 1420 Gateway Firmware	< 4.7.94
Emerson	Wireless 1420 Gateway	-

Related Weaknesses (CWE)

CWE-123

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02PatchThird Party AdvisoryUS Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-278-02PatchThird Party AdvisoryUS Government Resource

FAQ

What is CVE-2021-42540?

CVE-2021-42540 is a vulnerability with a CVSS score of 8.0 (HIGH). 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.

How severe is CVE-2021-42540?

CVE-2021-42540 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-42540?

Check the references section above for vendor advisories and patch information. Affected products include: Emerson Wireless 1410 Gateway Firmware, Emerson Wireless 1410 Gateway, Emerson Wireless 1410D Gateway Firmware, Emerson Wireless 1410D Gateway, Emerson Wireless 1420 Gateway Firmware.