Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2020-12069

Severity CVSS v4.0:
Pending analysis
Type:
CWE-916 Use of Password Hash With Insufficient Computational Effort
Publication date:
26/12/2022
Last modified:
05/05/2025

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.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.80
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:pilz:pmc:*:*:*:*:*:*:*:* 3.0.0 (including) 3.5.17 (excluding)
cpe:2.3:a:codesys:control_for_beaglebone:*:*:*:*:*:*:*:* 3.5.16.0 (excluding)
cpe:2.3:a:codesys:control_for_empc-a\/imx6:*:*:*:*:*:*:*:* 3.5.16.0 (excluding)
cpe:2.3:a:codesys:control_for_iot2000:*:*:*:*:*:*:*:* 3.5.16.0 (excluding)
cpe:2.3:a:codesys:control_for_linux:*:*:*:*:*:*:*:* 3.5.16.0 (excluding)
cpe:2.3:a:codesys:control_for_pfc100:*:*:*:*:*:*:*:* 3.5.16.0 (excluding)
cpe:2.3:a:codesys:control_for_pfc200:*:*:*:*:*:*:*:* 3.5.16.0 (excluding)
cpe:2.3:a:codesys:control_for_plcnext:*:*:*:*:*:*:*:* 3.5.16.0 (excluding)
cpe:2.3:a:codesys:control_for_raspberry_pi:*:*:*:*:*:*:*:* 3.5.16.0 (excluding)
cpe:2.3:a:codesys:control_rte_v3:*:*:*:*:*:*:*:* 3.5.16.0 (excluding)
cpe:2.3:a:codesys:control_v3_runtime_system_toolkit:*:*:*:*:*:*:*:* 3.5.16.0 (excluding)
cpe:2.3:a:codesys:control_win_v3:*:*:*:*:*:*:*:* 3.5.16.0 (excluding)
cpe:2.3:a:codesys:hmi_v3:*:*:*:*:*:*:*:* 3.5.16.0 (excluding)
cpe:2.3:a:codesys:v3_simulation_runtime:*:*:*:*:*:*:*:* 3.5.16.0 (excluding)
cpe:2.3:o:festo:controller_cecc-d_firmware:2.3.8.0:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools