Festo CODESYS V3 Products Use of Password Hash With Insufficient Computational Effort (CVE-2020-12069)

high Tenable OT Security Plugin ID 502484

Synopsis

The remote OT asset is affected by a vulnerability.

Description

In CODESYS V3 products in all versions prior V3.5.16.0 containing the CmpUserMgr, the CODESYS Control runtime system stores the online communication passwords using a weak hashing algorithm. This can be used by a local attacker with low privileges to gain full control of the device.

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.

Plugin Details

Severity: High

ID: 502484

Version: 1.3

Type: remote

Family: Tenable.ot

Published: 10/15/2024

Updated: 12/5/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2020-12069

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/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:/o:festo:controller_cecc-d_firmware:2.3.8.1, cpe:/o:festo:controller_cecc-lk_firmware:2.3.8.0, cpe:/o:festo:controller_cecc-s_firmware:2.3.8.1, cpe:/o:festo:controller_cecc-s_firmware:2.3.8.0, cpe:/o:festo:controller_cecc-d_firmware:2.3.8.0, cpe:/o:festo:controller_cecc-lk_firmware:2.3.8.1

Required KB Items: Tenable.ot/Festo

Exploit Ease: No known exploits are available

Patch Publication Date: 12/26/2022

Vulnerability Publication Date: 12/26/2022

Reference Information

CVE: CVE-2020-12069

CWE: 916

Detections

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