Vulnerability-Lookup

FKIE_CVE-2020-28214

Vulnerability from fkie_nvd - Published: 2020-12-11 01:15 - Updated: 2026-06-17 03:10

Severity

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

A CWE-760: Use of a One-Way Hash with a Predictable Salt vulnerability exists in Modicon M221 (all references, all versions), that could allow an attacker to pre-compute the hash value using dictionary attack technique such as rainbow tables, effectively disabling the protection that an unpredictable salt would provide.

References

URL	Tags
cybersecurity@se.com	https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04	Third Party Advisory, US Government Resource
cybersecurity@se.com	https://www.se.com/ww/en/download/document/SEVD-2020-315-05/	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04	Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108	https://www.se.com/ww/en/download/document/SEVD-2020-315-05/	Vendor Advisory

Impacted products

	Vendor	Product	Version
	schneider-electric	modicon_m221_firmware	*
	schneider-electric	modicon_m221	-

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Modicon M221 (all references, all versions)",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Modicon M221 (all references, all versions)"
            }
          ]
        }
      ],
      "source": "cybersecurity@se.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "97963104-B620-4AE1-BD6C-7BF714497F78",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:schneider-electric:modicon_m221:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "BB0D83F4-B718-47AB-AFB8-B576CB138AAC",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A CWE-760: Use of a One-Way Hash with a Predictable Salt vulnerability exists in Modicon M221 (all references, all versions), that could allow an attacker to pre-compute the hash value using dictionary attack technique such as rainbow tables, effectively disabling the protection that an unpredictable salt would provide."
    },
    {
      "lang": "es",
      "value": "Una CWE-760: Una vulnerabilidad de un Uso de Hash Unidireccional con una Sal Predecible se presenta en Modicon M221 (todas las referencias, todas las versiones), que podr\u00eda permitir a un atacante precalcular el valor del hash utilizando una t\u00e9cnica de ataque de diccionario tal y como tablas de arco iris, deshabilitando efectivamente la protecci\u00f3n que una sal impredecible podr\u00eda proporcionar"
    }
  ],
  "id": "CVE-2020-28214",
  "lastModified": "2026-06-17T03:10:12.900",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 2.1,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
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          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
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        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
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          "options": [
            {
              "exploitation": "none"
            },
            {
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            },
            {
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            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-05-28T20:12:35.109774Z",
          "version": "2.0.3"
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  },
  "published": "2020-12-11T01:15:11.407",
  "references": [
    {
      "source": "cybersecurity@se.com",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04"
    },
    {
      "source": "cybersecurity@se.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.se.com/ww/en/download/document/SEVD-2020-315-05/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.se.com/ww/en/download/document/SEVD-2020-315-05/"
    }
  ],
  "sourceIdentifier": "cybersecurity@se.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-760"
        }
      ],
      "source": "cybersecurity@se.com",
      "type": "Secondary"
    }
  ]
}

CVE-2020-28214 (GCVE-0-2020-28214)

Vulnerability from cvelistv5 – Published: 2020-12-11 00:51 – Updated: 2026-05-28 20:12

Summary

Severity

9.8 (Critical)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-28 20:12 UTC

CWE

CWE-760 - Use of a One-Way Hash with a Predictable Salt

Assigner

schneider mitre root Scorecard

References

2 references

URL	Tags
https://www.se.com/ww/en/download/document/SEVD-2…	x_refsource_CONFIRM
https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	Modicon M221 (all references, all versions)	Affected: Modicon M221 (all references, all versions)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T16:33:58.330Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
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            ],
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          },
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            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04"
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        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
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              "confidentialityImpact": "HIGH",
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              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
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                "options": [
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                  },
                  {
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                  },
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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-28T20:12:35.109774Z",
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              },
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          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
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      "problemTypes": [
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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FKIE_CVE-2020-28214

CVE-2020-28214 (GCVE-0-2020-28214)

Tags

Sightings

Nomenclature

Related by attack behaviour