#VU57091 Missing Authentication for Critical Function


Published: 2021-10-06

Vulnerability identifier: #VU57091

Vulnerability risk: Medium

CVSSv3.1: 7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-85337

CWE-ID: CWE-306

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WirelessHART 1410 Gateway
Hardware solutions / Firmware
WirelessHART 1410D Gateway
Hardware solutions / Firmware
WirelessHART 1420 Gateway
Hardware solutions / Firmware

Vendor:

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://ics-cert.us-cert.gov/advisories/icsa-21-278-02


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability