{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-28724", "assignerOrgId": "73dc0fef-1c66-4a72-9d2d-0a0f4012c175", "state": "PUBLISHED", "assignerShortName": "Acronis", "dateReserved": "2026-03-03T02:29:03.754Z", "datePublished": "2026-03-05T23:55:51.963Z", "dateUpdated": "2026-03-06T19:34:04.863Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "73dc0fef-1c66-4a72-9d2d-0a0f4012c175", "shortName": "Acronis", "dateUpdated": "2026-03-05T23:55:51.963Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-863", "description": "CWE-863", "type": "CWE"}]}], "affected": [{"vendor": "Acronis", "product": "Acronis Cyber Protect 17", "platforms": ["Linux", "Windows"], "versions": [{"version": "unspecified", "status": "affected", "lessThan": "41186", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Unauthorized data access due to insufficient access control validation. The following products are affected: Acronis Cyber Protect 17 (Linux, Windows) before build 41186."}], "references": [{"url": "https://security-advisory.acronis.com/advisories/SEC-8493", "name": "SEC-8493", "tags": ["vendor-advisory"]}], "credits": [{"lang": "en", "value": "@vultza (https://hackerone.com/vultza)", "type": "finder"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_0": {"version": "3.0", "baseScore": 4.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-06T19:29:50.312532Z", "id": "CVE-2026-28724", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-06T19:34:04.863Z"}}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:acronis:cyber_protect:*:*:*:*:*:*:*:*", "matchCriteriaId": "52FF13FE-B050-4333-B0E3-F7EE4AA98520", "versionEndExcluding": "17.0.41186", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*", "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1", "vulnerable": false}, {"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Unauthorized data access due to insufficient access control validation. The following products are affected: Acronis Cyber Protect 17 (Linux, Windows) before build 41186."}, {"lang": "es", "value": "Acceso no autorizado a datos debido a validaci\u00f3n insuficiente del control de acceso. Los siguientes productos est\u00e1n afectados: Acronis Cyber Protect 17 (Linux, Windows) anterior a la compilaci\u00f3n 41186."}], "id": "CVE-2026-28724", "lastModified": "2026-03-13T16:37:52.527", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "security@acronis.com", "type": "Secondary"}]}, "published": "2026-03-06T00:16:13.487", "references": [{"source": "security@acronis.com", "tags": ["Vendor Advisory"], "url": "https://security-advisory.acronis.com/advisories/SEC-8493"}], "sourceIdentifier": "security@acronis.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "security@acronis.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": ["Linux", "Windows"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,41186)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "product": "acronis_cyber_protect_17", "vendor": "acronis"}], "analysis": {"en": {"generated_at": "2026-04-18T09:51:14.529025+00:00", "value": {"mitigation_remediation": ["Upgrade Acronis Cyber Protect 17 to build 41186 or later.", "If an upgrade is not immediately possible, enforce stricter role\u2011based access controls and audit existing permissions to ensure only authorized users can read protected data.", "Disable or closely monitor any exposed services or APIs that may allow unvalidated data retrieval."], "summary": {"action": "Apply Patch", "impact": "Unauthorized Data Access"}, "threat_synthesis": {"affected_systems": "Acronis Cyber Protect 17 running on Linux and Windows is affected for builds prior to 41186. Builds 41186 and later include the fix, and no other platforms are documented as impacted.", "description_and_impact": "The vulnerability arises from insufficient validation of access controls, allowing an attacker to read protected data they are not authorized to see. The weakness is classified as CWE-863, indicating a flaw in access control checks.", "risk_and_exploitability": "The CVSS base score of 4.3 indicates moderate severity, while an EPSS score of less than 1% signifies a very low probability of exploitation at present. The vulnerability is not listed in the CISA KEV catalog, suggesting no known public exploits. Based on the description, it is inferred that exploitation could occur through local privilege misuse or via exposed APIs that fail to enforce proper access controls."}}}}, "created": "2026-03-06T14:56:19.038434+00:00", "title": "Unauthorized Data Access via Insufficient Access Control in Acronis Cyber Protect 17", "updated": "2026-04-18T10:00:10.318554+00:00", "vendors": ["acronis", "acronis$PRODUCT$acronis_cyber_protect_17"]}