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CVE-2023-28956

Status: ModifiedHigh (7.8)—

IBM Spectrum Protect Backup-Archive Client 8.1.0.0 through 8.1.17.2 may allow a local user to escalate their privileges due to improper access controls.

CVSS

Exploitation probability (EPSS)

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)

IBM — Spectrum Protect Backup-archive Client

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2023-28956",
  "cveTags": [],
  "metrics": {
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      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-28956",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-12-09T17:08:35.830590Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@us.ibm.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.4,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
        "exploitabilityScore": 2.5
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        "source": "nvd@nist.gov",
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              "versionType": "semver",
              "lessThanOrEqual": "8.1.17.2"
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  "published": "2023-06-22T02:15:48.717",
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      "tags": [
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        "Vendor Advisory"
      ],
      "source": "psirt@us.ibm.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/251767",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "url": "https://www.ibm.com/support/pages/node/7005519",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Secondary",
      "source": "psirt@us.ibm.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-266"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM Spectrum Protect Backup-Archive Client 8.1.0.0 through 8.1.17.2 may allow a local user to escalate their privileges due to improper access controls."
    }
  ],
  "lastModified": "2026-06-17T05:49:04.003",
  "configurations": [
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        {
          "negate": false,
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              "versionEndIncluding": "8.1.17.2",
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  "sourceIdentifier": "psirt@us.ibm.com"
}