Vulnerability-Lookup

FKIE_CVE-2023-50738

Vulnerability from fkie_nvd - Published: 2025-01-17 21:15 - Updated: 2026-06-17 06:39

Severity

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

Summary

A new feature to prevent Firmware downgrades was recently added to some Lexmark products. A method to override this downgrade protection has been identified.

References

	URL	Tags
	7bc73191-a2b6-4c63-9918-753964601853	https://www.lexmark.com/en_us/solutions/security/lexmark-security-advisories.html

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Printer Firmware",
          "vendor": "Lexmark",
          "versions": [
            {
              "lessThanOrEqual": "230.041",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "230.086",
              "status": "affected",
              "version": "230.075",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "230.104",
              "status": "affected",
              "version": "230.100",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "230.209",
              "status": "affected",
              "version": "230.200",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "7bc73191-a2b6-4c63-9918-753964601853"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A\u00a0new feature to prevent Firmware downgrades was recently added to some Lexmark products. A method to \noverride this downgrade protection has been identified."
    },
    {
      "lang": "es",
      "value": "Recientemente se agreg\u00f3 a algunos productos Lexmark una nueva funci\u00f3n para evitar la degradaci\u00f3n del firmware. Se ha identificado un m\u00e9todo para anular esta protecci\u00f3n contra la degradaci\u00f3n."
    }
  ],
  "id": "CVE-2023-50738",
  "lastModified": "2026-06-17T06:39:54.610",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 0.9,
        "impactScore": 3.4,
        "source": "7bc73191-a2b6-4c63-9918-753964601853",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-50738",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-01-17T22:02:51.732818Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-01-17T21:15:09.660",
  "references": [
    {
      "source": "7bc73191-a2b6-4c63-9918-753964601853",
      "url": "https://www.lexmark.com/en_us/solutions/security/lexmark-security-advisories.html"
    }
  ],
  "sourceIdentifier": "7bc73191-a2b6-4c63-9918-753964601853",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-354"
        },
        {
          "lang": "en",
          "value": "CWE-1328"
        }
      ],
      "source": "7bc73191-a2b6-4c63-9918-753964601853",
      "type": "Secondary"
    }
  ]
}

CVE-2023-50738 (GCVE-0-2023-50738)

Vulnerability from cvelistv5 – Published: 2025-01-17 21:10 – Updated: 2025-01-17 22:02

Title

A firmware downgrade prevention vulnerability has been identified in newer Lexmark devices.

Summary

A new feature to prevent Firmware downgrades was recently added to some Lexmark products. A method to override this downgrade protection has been identified.

Severity

4.3 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-01-17 22:02 UTC

CWE

CWE-354 - Improper Validation of Integrity Check Value
CWE-1328 - Security Version Number Mutable to Older Versions

Assigner

Lexmark mitre root

References

1 reference

URL	Tags
https://www.lexmark.com/en_us/solutions/security/…

Impacted products

1 product

Vendor	Product	Version
Lexmark	Printer Firmware	Affected: 0 , ≤ 230.041 (custom) Affected: 230.075 , ≤ 230.086 (custom) Affected: 230.100 , ≤ 230.104 (custom) Affected: 230.200 , ≤ 230.209 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-50738",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-01-17T22:02:51.732818Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-01-17T22:02:59.237Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Printer Firmware",
          "vendor": "Lexmark",
          "versions": [
            {
              "lessThanOrEqual": "230.041",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "230.086",
              "status": "affected",
              "version": "230.075",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "230.104",
              "status": "affected",
              "version": "230.100",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "230.209",
              "status": "affected",
              "version": "230.200",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "A\u0026nbsp;new feature to prevent Firmware downgrades was recently added to some Lexmark products. A method to \noverride this downgrade protection has been identified."
            }
          ],
          "value": "A\u00a0new feature to prevent Firmware downgrades was recently added to some Lexmark products. A method to \noverride this downgrade protection has been identified."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-21",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-21 Exploitation of Trusted Identifiers"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-354",
              "description": "CWE-354 Improper Validation of Integrity Check Value",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-1328",
              "description": "CWE-1328 Security Version Number Mutable to Older Versions",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-01-17T21:27:34.693Z",
        "orgId": "7bc73191-a2b6-4c63-9918-753964601853",
        "shortName": "Lexmark"
      },
      "references": [
        {
          "url": "https://www.lexmark.com/en_us/solutions/security/lexmark-security-advisories.html"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "A firmware downgrade prevention vulnerability has been identified in newer Lexmark devices.",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "7bc73191-a2b6-4c63-9918-753964601853",
    "assignerShortName": "Lexmark",
    "cveId": "CVE-2023-50738",
    "datePublished": "2025-01-17T21:10:44.220Z",
    "dateReserved": "2023-12-11T20:00:38.337Z",
    "dateUpdated": "2025-01-17T22:02:59.237Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Detection rules are retrieved from Rulezet.

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.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.