CVE-2020-12069
CVE-2020-12069 is a high-severity vulnerability in Pilz Pmc with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-916.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- EPSS exploit prediction: 0% (6th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-916
- Affected product: Pilz Pmc
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2020-12069?
- 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.
- How severe is CVE-2020-12069?
- CVE-2020-12069 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-12069 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-12069?
- CVE-2020-12069 primarily affects Pilz Pmc. In total, 67 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-12069?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-12069 published?
- CVE-2020-12069 was published on 2022-12-26 and last updated on 2026-06-17.
References
- https://cert.vde.com/en/advisories/VDE-2021-061/
- https://cert.vde.com/en/advisories/VDE-2022-022/
- https://cert.vde.com/en/advisories/VDE-2022-031/
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12943&token=d097958a67ba382de688916f77e3013c0802fade&download=
Affected products (67)
- cpe:2.3:a:pilz:pmc:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:control_for_beaglebone:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:control_for_empc-a\/imx6:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:control_for_iot2000:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:control_for_linux:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:control_for_pfc100:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:control_for_pfc200:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:control_for_plcnext:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:control_for_raspberry_pi:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:control_rte_v3:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:control_v3_runtime_system_toolkit:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:control_win_v3:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:hmi_v3:*:*:*:*:*:*:*:*
- cpe:2.3:a:codesys:v3_simulation_runtime:*:*:*:*:*:*:*:*
- cpe:2.3:o:festo:controller_cecc-d_firmware:2.3.8.0:*:*:*:*:*:*:*
- cpe:2.3:o:festo:controller_cecc-d_firmware:2.3.8.1:*:*:*:*:*:*:*
- cpe:2.3:o:festo:controller_cecc-lk_firmware:2.3.8.0:*:*:*:*:*:*:*
- cpe:2.3:o:festo:controller_cecc-lk_firmware:2.3.8.1:*:*:*:*:*:*:*
- cpe:2.3:o:festo:controller_cecc-s_firmware:2.3.8.0:*:*:*:*:*:*:*
- cpe:2.3:o:festo:controller_cecc-s_firmware:2.3.8.1:*:*:*:*:*:*:*
- cpe:2.3:o:wago:750-8217_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:wago:750-8216_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:wago:750-8215_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:wago:750-8214_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:wago:750-8213_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:wago:750-8212_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:wago:750-8211_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:wago:750-8210_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:wago:750-8207_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:wago:750-8206_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:wago:750-8204_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:wago:750-8203_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:wago:750-8202_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:wago:750-8102_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:wago:750-8101_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:wago:750-8100_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:wago:762-4201\/8000-001_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:wago:762-4202\/8000-001_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:wago:762-4203\/8000-001_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:wago:762-4204\/8000-001_firmware:*:*:*:*:*:*:*:*
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