{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-3500", "assignerOrgId": "dbd8429d-f261-4b1e-94cc-ae3132817e2e", "state": "PUBLISHED", "assignerShortName": "NLOK", "dateReserved": "2025-04-10T12:24:59.884Z", "datePublished": "2025-12-01T16:09:00.428Z", "dateUpdated": "2025-12-01T17:11:53.131Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "affected", "platforms": ["Windows"], "product": "Antivirus", "vendor": "Avast", "versions": [{"lessThan": "25.3", "status": "affected", "version": "25.1.981.6", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "reporter", "value": "Baris Akkaya"}, {"lang": "en", "type": "other", "value": "Trend Micro Zero Day Initiative"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Integer Overflow or Wraparound vulnerability in Avast Antivirus (25.1.981.6) on Windows allows Privilege Escalation.<p>This issue affects Antivirus: from 25.1.981.6 before 25.3.</p>"}], "value": "Integer Overflow or Wraparound vulnerability in Avast Antivirus (25.1.981.6) on Windows allows Privilege Escalation.This issue affects Antivirus: from 25.1.981.6 before 25.3."}], "impacts": [{"capecId": "CAPEC-233", "descriptions": [{"lang": "en", "value": "CAPEC-233 Privilege Escalation"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-190", "description": "CWE-190 Integer Overflow or Wraparound", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "dbd8429d-f261-4b1e-94cc-ae3132817e2e", "shortName": "NLOK", "dateUpdated": "2025-12-01T16:36:38.352Z"}, "references": [{"url": "https://www.gendigital.com/us/en/contact-us/security-advisories/"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Upgrade to version 25.3 (or newer) released 01/APR/2025"}], "value": "Upgrade to version 25.3 (or newer) released 01/APR/2025"}], "source": {"discovery": "UNKNOWN"}, "title": "Integer Overflow in Avast Antiviurs 25.1.981.6 on Windows may result in privilege escalation", "x_generator": {"engine": "Vulnogram 0.5.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-12-01T17:11:07.795722Z", "id": "CVE-2025-3500", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-12-01T17:11:53.131Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-3500", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-12-01T17:11:07.795722Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-12-01T17:11:21.588Z"}}], "cna": {"title": "Integer Overflow in Avast Antiviurs 25.1.981.6 on Windows may result in privilege escalation", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "reporter", "value": "Baris Akkaya"}, {"lang": "en", "type": "other", "value": "Trend Micro Zero Day Initiative"}], "impacts": [{"capecId": "CAPEC-233", "descriptions": [{"lang": "en", "value": "CAPEC-233 Privilege Escalation"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 9, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Avast", "product": "Antivirus", "versions": [{"status": "affected", "version": "25.1.981.6", "lessThan": "25.3", "versionType": "custom"}], "platforms": ["Windows"], "defaultStatus": "affected"}], "solutions": [{"lang": "en", "value": "Upgrade to version 25.3 (or newer) released 01/APR/2025", "supportingMedia": [{"type": "text/html", "value": "Upgrade to version 25.3 (or newer) released 01/APR/2025", "base64": false}]}], "references": [{"url": "https://www.gendigital.com/us/en/contact-us/security-advisories/"}], "x_generator": {"engine": "Vulnogram 0.5.0"}, "descriptions": [{"lang": "en", "value": "Integer Overflow or Wraparound vulnerability in Avast Antivirus (25.1.981.6) on Windows allows Privilege Escalation.This issue affects Antivirus: from 25.1.981.6 before 25.3.", "supportingMedia": [{"type": "text/html", "value": "Integer Overflow or Wraparound vulnerability in Avast Antivirus (25.1.981.6) on Windows allows Privilege Escalation.<p>This issue affects Antivirus: from 25.1.981.6 before 25.3.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-190", "description": "CWE-190 Integer Overflow or Wraparound"}]}], "providerMetadata": {"orgId": "dbd8429d-f261-4b1e-94cc-ae3132817e2e", "shortName": "NLOK", "dateUpdated": "2025-12-01T16:36:38.352Z"}}}, "cveMetadata": {"cveId": "CVE-2025-3500", "state": "PUBLISHED", "dateUpdated": "2025-12-01T17:11:53.131Z", "dateReserved": "2025-04-10T12:24:59.884Z", "assignerOrgId": "dbd8429d-f261-4b1e-94cc-ae3132817e2e", "datePublished": "2025-12-01T16:09:00.428Z", "assignerShortName": "NLOK"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Integer Overflow or Wraparound vulnerability in Avast Antivirus (25.1.981.6) on Windows allows Privilege Escalation.This issue affects Antivirus: from 25.1.981.6 before 25.3."}], "id": "CVE-2025-3500", "lastModified": "2025-12-01T16:15:53.023", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 6.0, "source": "security@nortonlifelock.com", "type": "Secondary"}]}, "published": "2025-12-01T16:15:53.023", "references": [{"source": "security@nortonlifelock.com", "url": "https://www.gendigital.com/us/en/contact-us/security-advisories/"}], "sourceIdentifier": "security@nortonlifelock.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "security@nortonlifelock.com", "type": "Secondary"}]}

{}

{"created": "2025-12-01T21:27:27.279105+00:00", "updated": "2025-12-01T21:27:27.279133+00:00", "vendors": ["avast", "avast$PRODUCT$antivirus", "microsoft", "microsoft$PRODUCT$windows"]}