CVE-2023-21988

Status: ModifiedLow (3.8)—

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Supported versions that are affected are Prior to 6.1.44 and Prior to 7.0.8. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle VM VirtualBox accessible data. CVSS 3.1 Base Score 3.8 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N).

CVSS

Version: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Base score: 3.8

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.32%
Percentile among all scored CVEs: 22
Score date: 10/6/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Oracle — VM Virtualbox

CWEs

NVD-CWE-noinfo

References

Raw JSON (NVD)

Show

{
  "id": "CVE-2023-21988",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-21988",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-09-16T14:38:31.688831Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "secalert_us@oracle.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 3.8,
          "attackVector": "LOCAL",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2
      }
    ]
  },
  "affected": [
    {
      "source": "secalert_us@oracle.com",
      "affectedData": [
        {
          "vendor": "Oracle Corporation",
          "product": "VM VirtualBox",
          "versions": [
            {
              "status": "affected",
              "version": "*",
              "lessThan": "6.1.44",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "*",
              "lessThan": "7.0.8",
              "versionType": "semver"
            }
          ]
        }
      ]
    }
  ],
  "published": "2023-04-18T20:15:17.747",
  "references": [
    {
      "url": "https://www.oracle.com/security-alerts/cpuapr2023.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert_us@oracle.com"
    },
    {
      "url": "https://www.oracle.com/security-alerts/cpuapr2023.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core).  Supported versions that are affected are Prior to 6.1.44 and  Prior to 7.0.8. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox.  While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in  unauthorized read access to a subset of Oracle VM VirtualBox accessible data. CVSS 3.1 Base Score 3.8 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N)."
    }
  ],
  "lastModified": "2026-06-17T05:34:29.693",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:oracle:vm_virtualbox:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EF9AE787-BAFB-4587-98E2-A2A51A95D4E1",
              "versionEndExcluding": "6.1.44"
            },
            {
              "criteria": "cpe:2.3:a:oracle:vm_virtualbox:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C1C0B3AD-F498-4A34-B2B0-47D08DDE5AE3",
              "versionEndExcluding": "7.0.8",
              "versionStartIncluding": "7.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert_us@oracle.com"
}