CVE-2026-5310

{
  "id": "CVE-2026-5310",
  "sourceIdentifier": "[email protected]",
  "published": "2026-04-01T17:28:43.313",
  "lastModified": "2026-10-26T21:10:00.170",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability was identified in Enter Software Iperius Backup up to 8.7.2. This impacts an unknown function of the file IperiusAccounts.ini. Such manipulation leads to use of hard-coded cryptographic key\r . The attack must be carried out locally. This attack is characterized by high complexity. The exploitability is said to be difficult. The exploit is publicly available and might be used. Upgrading to version 8.7.4 will fix this issue. It is suggested to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad fue identificada en Enter Software Iperius Backup hasta la versión 8.7.2. Esto afecta una función desconocida del archivo IperiusAccounts.ini. Dicha manipulación conduce al uso de una clave criptográfica codificada de forma rígida. El ataque debe llevarse a cabo localmente. Este ataque se caracteriza por una alta complejidad. La explotabilidad se considera difícil. El exploit está disponible públicamente y podría ser utilizado. La actualización a la versión 8.7.4 solucionará este problema. Se sugiere actualizar el componente afectado. El proveedor fue contactado con antelación, respondió de manera muy profesional y lanzó rápidamente una versión corregida del producto afectado."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Enter Software",
          "product": "Iperius Backup",
          "versions": [
            {
              "version": "8.7.0",
              "status": "affected"
            },
            {
              "version": "8.7.1",
              "status": "affected"
            },
            {
              "version": "8.7.2",
              "status": "affected"
            },
            {
              "version": "8.7.4",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "baseScore": 1.1,
          "baseSeverity": "LOW",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "attackRequirements": "NONE",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "NONE",
          "vulnAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "subAvailabilityImpact": "NONE",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "baseScore": 2.5,
          "baseSeverity": "LOW",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 1.4
      }
    ],
    "cvssMetricV2": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:H/Au:S/C:P/I:N/A:N",
          "baseScore": 1.0,
          "accessVector": "LOCAL",
          "accessComplexity": "HIGH",
          "authentication": "SINGLE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "baseSeverity": "LOW",
        "exploitabilityScore": 1.5,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-04-01T17:52:04.996671Z",
          "id": "CVE-2026-5310",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-320"
        },
        {
          "lang": "en",
          "value": "CWE-321"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/VulnaraByte/iperius-backup-security-advisories",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/VulnaraByte/iperius-backup-security-advisories/blob/main/poc/decrypt_iperius.py",
      "source": "[email protected]"
    },
    {
      "url": "https://vuldb.com/submit/778602",
      "source": "[email protected]"
    },
    {
      "url": "https://vuldb.com/vuln/354639",
      "source": "[email protected]"
    },
    {
      "url": "https://vuldb.com/vuln/354639/cti",
      "source": "[email protected]"
    },
    {
      "url": "https://www.iperiusbackup.com/download-software-backup.aspx",
      "source": "[email protected]"
    }
  ]
}