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CVE-2026-105453

Status: Awaiting AnalysisHigh (8.4)—
Severity8.4High · CVSS 3.1
Exploitation probability0.09 %higher than 1% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

IBM Sterling Connect Direct for Unix 6.3.0.0 through 6.3.0.7 and 6.4.0.0 through 6.4.0.6 could allow a local attacker to gain elevated privileges due to improper privilege management.

CVSS

Base score
8.4
Version
3.1
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.09 %
Percentile among all scored CVEs
1
Score date
10/20/2026

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).

ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

El texto describe a un atacante local que obtiene privilegios elevados por gestión indebida de privilegios (CWE-269); el vector AV:L/PR:L/UI:N y C:H/I:H sugiere lectura y modificación de datos, no explícita.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

ATT&CK mitigations that cover these techniques

Threat Intelligence ProgramRestrict File and Directory PermissionsRemote Data StorageNetwork SegmentationExecution PreventionEncrypt Sensitive Information

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

IBM — Sterling Connect Direct FOR UnixAI

CWEs

References

Show 1 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2026-105453",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-105453",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-20T15:16:21.018579Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@us.ibm.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 8.4,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.8,
        "exploitabilityScore": 2
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@us.ibm.com",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:sterling_connect_direct:6.3.0.0:*:*:*:*:unix:*:*",
            "cpe:2.3:a:ibm:sterling_connect_direct:6.3.0.7:*:*:*:*:unix:*:*",
            "cpe:2.3:a:ibm:sterling_connect_direct:6.4.0.0:*:*:*:*:unix:*:*",
            "cpe:2.3:a:ibm:sterling_connect_direct:6.4.0.6:*:*:*:*:unix:*:*"
          ],
          "vendor": "IBM",
          "product": "Sterling Connect Direct for Unix",
          "versions": [
            {
              "status": "affected",
              "version": "6.3.0.0",
              "versionType": "semver",
              "lessThanOrEqual": "6.3.0.7"
            },
            {
              "status": "affected",
              "version": "6.4.0.0",
              "versionType": "semver",
              "lessThanOrEqual": "6.4.0.6"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-10-20T00:17:23.400",
  "references": [
    {
      "url": "https://www.ibm.com/support/pages/node/7292735",
      "source": "psirt@us.ibm.com"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@us.ibm.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM Sterling Connect Direct for Unix 6.3.0.0 through 6.3.0.7 and 6.4.0.0 through 6.4.0.6 could allow a local attacker to gain elevated privileges due to improper privilege management."
    }
  ],
  "lastModified": "2026-10-20T17:17:27.980",
  "sourceIdentifier": "psirt@us.ibm.com"
}