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Vulnerability record · CVE-2020-12069 · published 26 December 2022

CVE-2020-12069: Pilz pmc vulnerability

Pilz · Pmc

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.

7.8 CVSS 3.1 High EPSS 0.16% · top 95.0% CWE-916 · CWE-916
7.8CVSS 3.1 base score
0.16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
64Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

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.

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

Affected products

64 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://cert.vde.com/en/advisories/VDE-2021-061/ Third Party Advisory
https://cert.vde.com/en/advisories/VDE-2022-022/ Third Party Advisory
https://cert.vde.com/en/advisories/VDE-2022-031/ Third Party Advisory
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12943&token=d097958a67ba382de688916f77e3013c0802fade&download Vendor Advisory
https://cert.vde.com/en/advisories/VDE-2021-061/ Third Party Advisory
https://cert.vde.com/en/advisories/VDE-2022-022/ Third Party Advisory
https://cert.vde.com/en/advisories/VDE-2022-031/ Third Party Advisory
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12943&token=d097958a67ba382de688916f77e3013c0802fade&download Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-10245Codesys control for beaglebone out-of-bounds write vulnerabilityCODESYS V3 web server before 3.5.15.40, as used in CODESYS Control runtime systems, has a buffer overflow.EPSS 2.5%9.8CVE-2019-18858Codesys control for beaglebone classic buffer overflow vulnerabilityCODESYS 3 web server before 3.5.15.20, as distributed with CODESYS Control runtime systems, has a Buffer Overflow.EPSS 1.9%9.8CVE-2019-13548Codesys control for beaglebone stack-based buffer overflow vulnerabilityCODESYS V3 web server, all versions prior to 3.5.14.10, allows an attacker to send specially crafted http or https requests which could cause a stack…EPSS 5.8%8.8CVE-2023-6357Codesys control for beaglebone sl os command injection vulnerabilityA low-privileged remote attacker could exploit the vulnerability and inject additional system commands via file system libraries which could give the…EPSS 0.96%8.8CVE-2018-25048Codesys control for beaglebone path traversal vulnerabilityThe CODESYS runtime system in multiple versions allows an remote low privileged attacker to use a path traversal vulnerability to access and modify a…EPSS 1.0%8.8CVE-2019-9008Codesys control for beaglebone incorrect permission assignment vulnerabilityAn issue was discovered in 3S-Smart CODESYS V3 through 3.5.12.30. A user with low privileges can take full control over the runtime.EPSS 1.9%7.5CVE-2022-30791Codesys control for beaglebone uncontrolled resource consumption vulnerabilityIn CmpBlkDrvTcp of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new TCP connections…EPSS 0.89%7.5CVE-2022-30792Codesys control for beaglebone uncontrolled resource consumption vulnerabilityIn CmpChannelServer of CODESYS V3 in multiple versions an uncontrolled ressource consumption allows an unauthorized attacker to block new communicati…EPSS 0.89%

Source: NIST National Vulnerability Database (record CVE-2020-12069), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.