Detections
Analytics

Cognex In-Sight OPC Server Deserialization of Untrusted Data (CVE-2021-32935)

critical Tenable OT Security Plugin ID 502390

Synopsis

The remote OT asset is affected by a vulnerability.

Description

The affected Cognex product, the In-Sight OPC Server versions v5.7.4 (96) and prior, deserializes untrusted data, which could allow a remote attacker access to system level permission commands and local privilege escalation.

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

Solution

The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original can be found at CISA.gov.

Cognex recommends users install Version 5.9.2 or later to mitigate this vulnerability.

See Also

https://www.cisa.gov/uscert/ics/advisories/icsa-21-224-01

Plugin Details

Severity: Critical

ID: 502390

Version: 1.4

Type: remote

Family: Tenable.ot

Published: 9/24/2024

Updated: 12/4/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2021-32935

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: cpe:/a:cognex:in-sight_opc_server

Required KB Items: Tenable.ot/Cognex

Exploit Ease: No known exploits are available

Patch Publication Date: 5/23/2022

Vulnerability Publication Date: 5/23/2022

Reference Information

CVE: CVE-2021-32935

CWE: 502

ICSA: 21-224-01