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
7bc73191-a2b6-4c63-9918-753964601853https://www.lexmark.com/en_us/solutions/security/lexmark-security-advisories.html
Impacted products
Vendor Product Version
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"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.