#VU57091 Missing Authentication for Critical Function in Emerson products - CVE-2021-85337
Published: October 6, 2021
Vulnerability identifier: #VU57091
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-85337
CWE-ID: CWE-306
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
WirelessHART 1410 Gateway
WirelessHART 1410D Gateway
WirelessHART 1420 Gateway
WirelessHART 1410 Gateway
WirelessHART 1410D Gateway
WirelessHART 1420 Gateway
Software vendor:
Emerson
Emerson
Description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to a missing permission validation on system backup restore. A remote authenticated attacker can take over account and change settings.
Remediation
Install updates from vendor's website.