GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2023-50306 (GCVE-0-2023-50306)

Vulnerability from cvelistv5 – Published: 2024-02-20 13:51 – Updated: 2024-08-02 22:16
VLAI
Title
IBM Common Licensing information disclosure
Summary
IBM Common Licensing 9.0 could allow a local user to enumerate usernames due to an observable response discrepancy. IBM X-Force ID: 273337.
Severity
4 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-02-22 16:53 UTC
CWE
  • CWE-204 - Response Discrepancy Information Exposure
Assigner
References
Impacted products
Vendor Product Version CPE status
IBM Common Licensing Affected: 9.0
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-50306",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-02-22T16:53:05.639285Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-04T17:17:54.898Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T22:16:46.620Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://www.ibm.com/support/pages/node/7120660"
          },
          {
            "tags": [
              "vdb-entry",
              "x_transferred"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/273337"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Common Licensing",
          "vendor": "IBM",
          "versions": [
            {
              "status": "affected",
              "version": "9.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "IBM Common Licensing 9.0 could allow a local user to enumerate usernames due to an observable response discrepancy.  IBM X-Force ID:  273337."
            }
          ],
          "value": "IBM Common Licensing 9.0 could allow a local user to enumerate usernames due to an observable response discrepancy.  IBM X-Force ID:  273337."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-204",
              "description": "CWE-204 Response Discrepancy Information Exposure",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-02-20T13:51:27.061Z",
        "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
        "shortName": "ibm"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.ibm.com/support/pages/node/7120660"
        },
        {
          "tags": [
            "vdb-entry"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/273337"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "IBM Common Licensing information disclosure",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
    "assignerShortName": "ibm",
    "cveId": "CVE-2023-50306",
    "datePublished": "2024-02-20T13:51:27.061Z",
    "dateReserved": "2023-12-07T01:28:46.424Z",
    "dateUpdated": "2024-08-02T22:16:46.620Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-50306",
      "date": "2026-09-15",
      "epss": "0.00191",
      "percentile": "0.08975"
    },
    "fkie_nvd": {
      "descriptions": "[{\"lang\": \"en\", \"value\": \"IBM Common Licensing 9.0 could allow a local user to enumerate usernames due to an observable response discrepancy.  IBM X-Force ID:  273337.\"}, {\"lang\": \"es\", \"value\": \"IBM Common Licensing 9.0 podr\\u00eda permitir a un usuario local enumerar nombres de usuario debido a una discrepancia de respuesta observable. ID de IBM X-Force: 273337.\"}]",
      "id": "CVE-2023-50306",
      "lastModified": "2024-11-21T08:36:49.733",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"psirt@us.ibm.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\", \"baseScore\": 4.0, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 2.5, \"impactScore\": 1.4}]}",
      "published": "2024-02-20T14:15:08.237",
      "references": "[{\"url\": \"https://exchange.xforce.ibmcloud.com/vulnerabilities/273337\", \"source\": \"psirt@us.ibm.com\"}, {\"url\": \"https://www.ibm.com/support/pages/node/7120660\", \"source\": \"psirt@us.ibm.com\"}, {\"url\": \"https://exchange.xforce.ibmcloud.com/vulnerabilities/273337\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://www.ibm.com/support/pages/node/7120660\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
      "sourceIdentifier": "psirt@us.ibm.com",
      "vulnStatus": "Awaiting Analysis",
      "weaknesses": "[{\"source\": \"psirt@us.ibm.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-204\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-50306\",\"sourceIdentifier\":\"psirt@us.ibm.com\",\"published\":\"2024-02-20T14:15:08.237\",\"lastModified\":\"2026-06-17T06:39:27.703\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"IBM Common Licensing 9.0 could allow a local user to enumerate usernames due to an observable response discrepancy.  IBM X-Force ID:  273337.\"},{\"lang\":\"es\",\"value\":\"IBM Common Licensing 9.0 podr\u00eda permitir a un usuario local enumerar nombres de usuario debido a una discrepancia de respuesta observable. ID de IBM X-Force: 273337.\"}],\"affected\":[{\"source\":\"psirt@us.ibm.com\",\"affectedData\":[{\"vendor\":\"IBM\",\"product\":\"Common Licensing\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"9.0\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@us.ibm.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":4.0,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.5,\"impactScore\":1.4},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":3.3,\"baseSeverity\":\"LOW\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.8,\"impactScore\":1.4}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-02-22T16:53:05.639285Z\",\"id\":\"CVE-2023-50306\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"psirt@us.ibm.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-204\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-203\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:common_licensing:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"60A24280-F68D-4C5A-B12A-BCC1BDC53FBC\"}]}]}],\"references\":[{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/273337\",\"source\":\"psirt@us.ibm.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.ibm.com/support/pages/node/7120660\",\"source\":\"psirt@us.ibm.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/273337\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.ibm.com/support/pages/node/7120660\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://www.ibm.com/support/pages/node/7120660\", \"tags\": [\"vendor-advisory\", \"x_transferred\"]}, {\"url\": \"https://exchange.xforce.ibmcloud.com/vulnerabilities/273337\", \"tags\": [\"vdb-entry\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T22:16:46.620Z\"}}, {\"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-50306\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-02-22T16:53:05.639285Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-05-23T19:01:12.937Z\"}, \"title\": \"CISA ADP Vulnrichment\"}], \"cna\": {\"title\": \"IBM Common Licensing information disclosure\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 4, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"LOW\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"IBM\", \"product\": \"Common Licensing\", \"versions\": [{\"status\": \"affected\", \"version\": \"9.0\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://www.ibm.com/support/pages/node/7120660\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://exchange.xforce.ibmcloud.com/vulnerabilities/273337\", \"tags\": [\"vdb-entry\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"IBM Common Licensing 9.0 could allow a local user to enumerate usernames due to an observable response discrepancy.  IBM X-Force ID:  273337.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"IBM Common Licensing 9.0 could allow a local user to enumerate usernames due to an observable response discrepancy.  IBM X-Force ID:  273337.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-204\", \"description\": \"CWE-204 Response Discrepancy Information Exposure\"}]}], \"providerMetadata\": {\"orgId\": \"9a959283-ebb5-44b6-b705-dcc2bbced522\", \"shortName\": \"ibm\", \"dateUpdated\": \"2024-02-20T13:51:27.061Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-50306\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-08-02T22:16:46.620Z\", \"dateReserved\": \"2023-12-07T01:28:46.424Z\", \"assignerOrgId\": \"9a959283-ebb5-44b6-b705-dcc2bbced522\", \"datePublished\": \"2024-02-20T13:51:27.061Z\", \"assignerShortName\": \"ibm\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


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.