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CVE-2020-12069

HIGH
Published 2022-12-26T00:00:00.000Z
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Expert Analysis

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CVSS Score

V3.1
7.8
/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.000
probability
of exploitation in the wild

There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.064
Higher than 6.4% of all CVEs

Attack Vector Metrics

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

CODESYS

CODESYS V3 containing the CmpUserMgr

Affected Versions:

V3

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed CRITICAL

GHSA-26j2-2wp8-h95h

Advisory Details

In Pilz PMC programming tool 3.x before 3.5.17 (based on CODESYS Development System), the password-hashing feature requires insufficient computational effort.

CVSS Scoring

CVSS Score

9.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-12069
WEB https://cert.vde.com/en/advisories/VDE-2021-061
WEB https://cert.vde.com/en/advisories/VDE-2022-022
WEB https://cert.vde.com/en/advisories/VDE-2022-031
WEB https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12943&token=d097958a67ba382de688916f77e3013c0802fade&download=

Advisory provided by GitHub Security Advisory Database. Published: December 26, 2022, Modified: October 3, 2024

References

https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12943&token=d097958a67ba382de688916f77e3013c0802fade&download=
https://cert.vde.com/en/advisories/VDE-2021-061/
https://cert.vde.com/en/advisories/VDE-2022-031/
https://cert.vde.com/en/advisories/VDE-2022-022/
Published: 2022-12-26T00:00:00.000Z
Last Modified: 2025-04-14T16:17:54.368Z
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