ABB M2M Gateway Information Disclosure in embedded Linux Kernel for some AMD CPUs (CVE-2023-20593)

medium Tenable OT Security Plugin ID 503253

Synopsis

The remote OT asset is affected by a vulnerability.

Description

An issue in Zen 2 CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

https://www.cisa.gov/news-events/ics-advisories/icsa-25-105-08

http://www.nessus.org/u?310ae51a

http://seclists.org/fulldisclosure/2023/Jul/43

http://www.openwall.com/lists/oss-security/2023/07/24/3

http://www.openwall.com/lists/oss-security/2023/07/25/1

http://www.openwall.com/lists/oss-security/2023/07/25/12

http://www.openwall.com/lists/oss-security/2023/07/25/13

http://www.openwall.com/lists/oss-security/2023/07/25/14

http://www.openwall.com/lists/oss-security/2023/07/25/15

http://www.openwall.com/lists/oss-security/2023/07/25/16

http://www.openwall.com/lists/oss-security/2023/07/25/17

http://www.openwall.com/lists/oss-security/2023/07/25/5

http://www.openwall.com/lists/oss-security/2023/07/25/6

http://www.openwall.com/lists/oss-security/2023/07/26/1

http://www.openwall.com/lists/oss-security/2023/07/31/2

http://www.openwall.com/lists/oss-security/2023/08/08/6

http://www.openwall.com/lists/oss-security/2023/08/08/7

http://www.openwall.com/lists/oss-security/2023/08/08/8

http://www.openwall.com/lists/oss-security/2023/08/16/4

http://www.openwall.com/lists/oss-security/2023/08/16/5

http://www.openwall.com/lists/oss-security/2023/09/22/11

http://www.openwall.com/lists/oss-security/2023/09/22/9

http://www.openwall.com/lists/oss-security/2023/09/25/4

http://www.openwall.com/lists/oss-security/2023/09/25/7

http://xenbits.xen.org/xsa/advisory-433.html

https://cmpxchg8b.com/zenbleed.html

https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html

https://lists.debian.org/debian-lts-announce/2023/07/msg00033.html

https://lists.debian.org/debian-lts-announce/2023/08/msg00001.html

http://www.nessus.org/u?ede9ce3a

http://www.nessus.org/u?452e4c3b

http://www.nessus.org/u?a92be30b

https://security.netapp.com/advisory/ntap-20240531-0004/

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7008

https://www.debian.org/security/2023/dsa-5459

https://www.debian.org/security/2023/dsa-5461

https://www.debian.org/security/2023/dsa-5462

Plugin Details

Severity: Medium

ID: 503253

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 5/27/2025

Updated: 5/27/2025

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v3

Risk Factor: Medium

Base Score: 5.5

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

Vulnerability Information

CPE: cpe:/o:abb:sw_firmware, cpe:/o:abb:arm600_firmware

Required KB Items: Tenable.ot/ABB

Exploit Ease: No known exploits are available

Patch Publication Date: 7/24/2023

Vulnerability Publication Date: 7/24/2023

Reference Information

CVE: CVE-2023-20593

CWE: 209

ICSA: 25-105-08