FKIE_CVE-2024-56476

Vulnerability from fkie_nvd - Published: 2025-04-02 16:17 - Updated: 2026-06-17 08:12
Severity
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
IBM TXSeries for Multiplatforms 9.1 and 11.1 could allow an attacker to enumerate usernames due to an observable login attempt response discrepancy.
References
psirt@us.ibm.comhttps://www.ibm.com/support/pages/node/7229880Vendor Advisory
Impacted products
Vendor Product Version
ibm txseries_for_multiplatforms 9.1
ibm txseries_for_multiplatforms 11.1
ibm aix -
linux linux_kernel -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:txseries_for_multiplatforms:9.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:txseries_for_multiplatforms:11.1:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "TXSeries for Multiplatforms",
          "vendor": "IBM",
          "versions": [
            {
              "status": "affected",
              "version": "9.1"
            },
            {
              "status": "affected",
              "version": "11.1"
            }
          ]
        }
      ],
      "source": "psirt@us.ibm.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ibm:txseries_for_multiplatforms:9.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "EDF0F0BC-8964-4812-A5E6-0D1C1317E8D2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:ibm:txseries_for_multiplatforms:11.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "F61A4D98-57DD-4359-A3A4-E6FE626D6773",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "E492C463-D76E-49B7-A4D4-3B499E422D89",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM TXSeries for Multiplatforms 9.1 and 11.1 could allow an attacker to enumerate usernames due to an observable login attempt response discrepancy."
    },
    {
      "lang": "es",
      "value": "IBM TXSeries para multiplataformas 9.1 y 11.1 podr\u00eda permitir que un atacante enumere los nombres de usuario debido a una discrepancia de respuesta de intento de inicio de sesi\u00f3n observable."
    }
  ],
  "id": "CVE-2024-56476",
  "lastModified": "2026-06-17T08:12:14.940",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "psirt@us.ibm.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-56476",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-04-02T16:26:44.888974Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-04-02T16:17:40.000",
  "references": [
    {
      "source": "psirt@us.ibm.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.ibm.com/support/pages/node/7229880"
    }
  ],
  "sourceIdentifier": "psirt@us.ibm.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-204"
        }
      ],
      "source": "psirt@us.ibm.com",
      "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.