Delta Electronics DIALink Known Cryptographic Key Authentication Bypass (CVE-2022-2660)

high Nessus Plugin ID 165702


An OT application uses a known cryptographic key.


The Delta Electronics DIALink running on the remote host uses a known cryptographic key. An unauthenticated, remote attacker can exploit this, via a specially crafted message, to bypass authentication to perform otherwise restricted operations.


Upgrade DIALink to version or later.

See Also

Plugin Details

Severity: High

ID: 165702

File Name: delta_electronics_dialink_jwt_key.nbin

Version: 1.32

Type: remote

Family: SCADA

Published: 10/5/2022

Updated: 5/20/2024

Supported Sensors: Nessus

Risk Information


Risk Factor: Low

Score: 3.6


Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2022-2660


Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:deltaww:dialink

Required KB Items: installed_sw/Delta Electronics DIALink

Exploit Available: true

Exploit Ease: Exploits are available

Exploited by Nessus: true

Patch Publication Date: 8/23/2022

Vulnerability Publication Date: 8/23/2022

Reference Information

CVE: CVE-2022-2660

ICSA: 22-235-02

ZDI: ZDI-22-1166