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CVE-2026-28720

Status: AnalyzedMedium (4.3)—

Unauthorized modification of settings due to insufficient authorization checks. The following products are affected: Acronis Cyber Protect 17 (Linux, Windows) before build 41186.

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)

Acronis — Cyber Protect

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2026-28720",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-28720",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-09T16:36:58.209062Z"
        }
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Secondary",
        "source": "security@acronis.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security@acronis.com",
      "affectedData": [
        {
          "vendor": "Acronis",
          "product": "Acronis Cyber Protect 17",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "41186",
              "versionType": "semver"
            }
          ],
          "platforms": [
            "Linux",
            "Windows"
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-03-06T00:16:12.910",
  "references": [
    {
      "url": "https://security-advisory.acronis.com/advisories/SEC-8379",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@acronis.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security@acronis.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Unauthorized modification of settings due to insufficient authorization checks. The following products are affected: Acronis Cyber Protect 17 (Linux, Windows) before build 41186."
    },
    {
      "lang": "es",
      "value": "Modificación no autorizada de la configuración debido a comprobaciones de autorización insuficientes. Los siguientes productos están afectados: Acronis Cyber Protect 17 (Linux, Windows) antes de la compilación 41186."
    }
  ],
  "lastModified": "2026-06-17T10:28:57.157",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:acronis:cyber_protect:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "52FF13FE-B050-4333-B0E3-F7EE4AA98520",
              "versionEndExcluding": "17.0.41186"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "security@acronis.com"
}