CVE-2021-27451

{"containers": {"cna": {"affected": [{"product": "AmegaView", "vendor": "Mesa Labs", "versions": [{"lessThanOrEqual": "3.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Stephen Yackey of Securifera reported these vulnerabilities to CISA."}], "datePublic": "2021-05-27T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Mesa Labs AmegaView Versions 3.0 and prior\u2019s passcode is generated by an easily reversible algorithm, which may allow an attacker to gain access to the device."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-287", "description": "CWE-287: IMPROPER AUTHENTICATION", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-12-21T17:55:05.000Z", "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-147-03"}], "source": {"advisory": "ICSA-21-147-03", "discovery": "EXTERNAL"}, "title": "Mesa Labs AmegaView improper authentication", "workarounds": [{"lang": "en", "value": "MesaLabs has scheduled AmegaView for end-of-life at the end of 2021. Due to this discontinued service, MesaLabs does not plan to release an update to address these vulnerabilities. MesaLabs recommends users upgrade to the newer ViewPoint software that is compatible with AmegaView hardware."}, {"lang": "en", "value": "CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:\nMinimize network exposure for all control system devices and/or systems, and ensure that they are not accessible from the Internet.\nLocate control system networks and remote devices behind firewalls, and isolate them from the business network.\nWhen remote access is required, use secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as its connected devices."}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "ics-cert@hq.dhs.gov", "DATE_PUBLIC": "2021-05-27T00:00:00.000Z", "ID": "CVE-2021-27451", "STATE": "PUBLIC", "TITLE": "Mesa Labs AmegaView improper authentication"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "AmegaView", "version": {"version_data": [{"version_affected": "<=", "version_value": "3.0"}]}}]}, "vendor_name": "Mesa Labs"}]}}, "credit": [{"lang": "eng", "value": "Stephen Yackey of Securifera reported these vulnerabilities to CISA."}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Mesa Labs AmegaView Versions 3.0 and prior\u2019s passcode is generated by an easily reversible algorithm, which may allow an attacker to gain access to the device."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-287: IMPROPER AUTHENTICATION"}]}]}, "references": {"reference_data": [{"name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-147-03", "refsource": "CONFIRM", "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-147-03"}]}, "source": {"advisory": "ICSA-21-147-03", "discovery": "EXTERNAL"}, "work_around": [{"lang": "en", "value": "MesaLabs has scheduled AmegaView for end-of-life at the end of 2021. Due to this discontinued service, MesaLabs does not plan to release an update to address these vulnerabilities. MesaLabs recommends users upgrade to the newer ViewPoint software that is compatible with AmegaView hardware."}, {"lang": "en", "value": "CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:\nMinimize network exposure for all control system devices and/or systems, and ensure that they are not accessible from the Internet.\nLocate control system networks and remote devices behind firewalls, and isolate them from the business network.\nWhen remote access is required, use secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as its connected devices."}]}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:48:17.157Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-147-03"}]}]}, "cveMetadata": {"assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "assignerShortName": "icscert", "cveId": "CVE-2021-27451", "datePublished": "2021-12-21T17:55:05.307Z", "dateReserved": "2021-02-19T00:00:00.000Z", "dateUpdated": "2024-09-16T22:03:33.260Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "AmegaView", "vendor": "Mesa Labs", "versions": [{"lessThanOrEqual": "3.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "ics-cert@hq.dhs.gov"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mesalabs:amegaview:*:*:*:*:*:*:*:*", "matchCriteriaId": "5E2FF813-8987-4433-85C4-6ADA10BE1AB3", "versionEndIncluding": "3.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Mesa Labs AmegaView Versions 3.0 and prior\u2019s passcode is generated by an easily reversible algorithm, which may allow an attacker to gain access to the device."}, {"lang": "es", "value": "El c\u00f3digo de acceso de Mesa Labs AmegaView Versiones 3.0 y anteriores, es generado mediante un algoritmo f\u00e1cilmente reversible, lo que puede permitir a un atacante conseguir acceso al dispositivo"}], "id": "CVE-2021-27451", "lastModified": "2026-06-17T03:44:53.233", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.4, "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-12-21T18:15:07.903", "references": [{"source": "ics-cert@hq.dhs.gov", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-147-03"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-147-03"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}]}

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