CVE-2015-4756

Status: ModifiedMedium (4)—

Unspecified vulnerability in Oracle MySQL Server 5.6.22 and earlier allows remote authenticated users to affect availability via unknown vectors related to Server : InnoDB, a different vulnerability than CVE-2015-0439.

CVSS

Version: 2.0
Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P
Base score: 4

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 3.04%
Percentile among all scored CVEs: 87
Score date: 10/10/2026

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 (2)

Oracle — Mysql Redhat — Enterprise Linux

CWEs

NVD-CWE-noinfo

References

Raw JSON (NVD)

Show

{
  "id": "CVE-2015-4756",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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      "affectedData": [
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          "versions": [
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              "version": "n/a"
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  "published": "2015-07-16T11:00:50.470",
  "references": [
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2015-09/msg00042.html",
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    {
      "url": "http://rhn.redhat.com/errata/RHSA-2015-1630.html",
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    },
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Unspecified vulnerability in Oracle MySQL Server 5.6.22 and earlier allows remote authenticated users to affect availability via unknown vectors related to Server : InnoDB, a different vulnerability than CVE-2015-0439."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad no especificada en Oracle MySQL Server 5.6.22 y versiones anteriores permite a usuarios remotos autenticados afectar la disponibilidad a través de vectores desconocidos relacionados con Server : InnoDB, una vulnerabilidad diferente a CVE-2015-0439."
    }
  ],
  "lastModified": "2026-06-17T00:27:50.973",
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  "sourceIdentifier": "secalert_us@oracle.com"
}