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MitreCVELIST:CVE-2020-12069

HistoryDec 26, 2022 - 12:00 a.m.

CVE-2020-12069 CODESYS V3 prone to Inadequate Password Hashing

2022-12-2600:00:00

CWE-916

mitre

www.cve.org

codesys v3

password hashing

weak hashing algorithm

local attacker

device control

cve-2020-12069

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.3

Confidence

High

EPSS

0.002

Percentile

59.4%

JSON

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.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "CODESYS V3  containing the CmpUserMgr",
    "vendor": "CODESYS",
    "versions": [
      {
        "lessThan": "V3.5.16.0",
        "status": "affected",
        "version": "V3",
        "versionType": "custom"
      }
    ]
  }
]

References

cert.vde.com/en/advisories/VDE-2021-061/

cert.vde.com/en/advisories/VDE-2022-022/

cert.vde.com/en/advisories/VDE-2022-031/

customers.codesys.com/index.php?eID=dumpFile&t=f&f=12943&token=d097958a67ba382de688916f77e3013c0802fade&download=

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.3

Confidence

High

EPSS

0.002

Percentile

59.4%

JSON

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