CVE-2021-27433

{"containers": {"cna": {"affected": [{"product": "mbed-ualloc memory library", "vendor": "ARM", "versions": [{"status": "affected", "version": "1.3.0"}]}], "credits": [{"lang": "en", "value": "David Atch, Omri Ben Bassat, and Tamir Ariel from Microsoft Section 52, and the Azure Defender for IoT research group reported these vulnerabilities to CISA."}], "descriptions": [{"lang": "en", "value": "ARM mbed-ualloc memory library version 1.3.0 is vulnerable to integer wrap-around in function mbed_krbs, which can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution."}], "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-190", "description": "CWE-190 Integer Overflow or Wraparound", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-05-03T20:26:51.000Z", "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/ARMmbed/mbed-os/pull/14408"}], "solutions": [{"lang": "en", "value": "ARM Mbed OS update available."}], "source": {"defect": ["\u201cBadAlloc\u201d"], "discovery": "EXTERNAL"}, "title": "ARM mbed-ualloc memory library Integer Overflow or Wraparound", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "ics-cert@hq.dhs.gov", "ID": "CVE-2021-27433", "STATE": "PUBLIC", "TITLE": "ARM mbed-ualloc memory library Integer Overflow or Wraparound"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "mbed-ualloc memory library", "version": {"version_data": [{"version_affected": "=", "version_value": "1.3.0"}]}}]}, "vendor_name": "ARM"}]}}, "credit": [{"lang": "eng", "value": "David Atch, Omri Ben Bassat, and Tamir Ariel from Microsoft Section 52, and the Azure Defender for IoT research group reported these vulnerabilities to CISA."}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "ARM mbed-ualloc memory library version 1.3.0 is vulnerable to integer wrap-around in function mbed_krbs, which can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution."}]}, "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-190 Integer Overflow or Wraparound"}]}]}, "references": {"reference_data": [{"name": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04", "refsource": "CONFIRM", "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04"}, {"name": "https://github.com/ARMmbed/mbed-os/pull/14408", "refsource": "CONFIRM", "url": "https://github.com/ARMmbed/mbed-os/pull/14408"}]}, "solution": [{"lang": "en", "value": "ARM Mbed OS update available."}], "source": {"defect": ["\u201cBadAlloc\u201d"], "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:48:17.236Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/ARMmbed/mbed-os/pull/14408"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-04-16T15:56:56.285898Z", "id": "CVE-2021-27433", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"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": "2025-04-16T16:24:24.018Z"}}]}, "cveMetadata": {"assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "assignerShortName": "icscert", "cveId": "CVE-2021-27433", "datePublished": "2022-05-03T20:26:51.000Z", "dateReserved": "2021-02-19T00:00:00.000Z", "dateUpdated": "2025-04-16T16:24:24.018Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04", "tags": ["x_refsource_CONFIRM", "x_transferred"]}, {"url": "https://github.com/ARMmbed/mbed-os/pull/14408", "tags": ["x_refsource_CONFIRM", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:48:17.236Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-27433", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-04-16T15:56:56.285898Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-16T15:56:57.743Z"}}], "cna": {"title": "ARM mbed-ualloc memory library Integer Overflow or Wraparound", "source": {"defect": ["\u201cBadAlloc\u201d"], "discovery": "EXTERNAL"}, "credits": [{"lang": "en", "value": "David Atch, Omri Ben Bassat, and Tamir Ariel from Microsoft Section 52, and the Azure Defender for IoT research group reported these vulnerabilities to CISA."}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.3, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}], "affected": [{"vendor": "ARM", "product": "mbed-ualloc memory library", "versions": [{"status": "affected", "version": "1.3.0"}]}], "solutions": [{"lang": "en", "value": "ARM Mbed OS update available."}], "references": [{"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/ARMmbed/mbed-os/pull/14408", "tags": ["x_refsource_CONFIRM"]}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "descriptions": [{"lang": "en", "value": "ARM mbed-ualloc memory library version 1.3.0 is vulnerable to integer wrap-around in function mbed_krbs, which can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-190", "description": "CWE-190 Integer Overflow or Wraparound"}]}], "providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2022-05-03T20:26:51.000Z"}, "x_legacyV4Record": {"credit": [{"lang": "eng", "value": "David Atch, Omri Ben Bassat, and Tamir Ariel from Microsoft Section 52, and the Azure Defender for IoT research group reported these vulnerabilities to CISA."}], "impact": {"cvss": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.3, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, "source": {"defect": ["\u201cBadAlloc\u201d"], "discovery": "EXTERNAL"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": "1.3.0", "version_affected": "="}]}, "product_name": "mbed-ualloc memory library"}]}, "vendor_name": "ARM"}]}}, "solution": [{"lang": "en", "value": "ARM Mbed OS update available."}], "data_type": "CVE", "generator": {"engine": "Vulnogram 0.0.9"}, "references": {"reference_data": [{"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04", "name": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04", "refsource": "CONFIRM"}, {"url": "https://github.com/ARMmbed/mbed-os/pull/14408", "name": "https://github.com/ARMmbed/mbed-os/pull/14408", "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "ARM mbed-ualloc memory library version 1.3.0 is vulnerable to integer wrap-around in function mbed_krbs, which can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-190 Integer Overflow or Wraparound"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-27433", "STATE": "PUBLIC", "TITLE": "ARM mbed-ualloc memory library Integer Overflow or Wraparound", "ASSIGNER": "ics-cert@hq.dhs.gov"}}}}, "cveMetadata": {"cveId": "CVE-2021-27433", "state": "PUBLISHED", "dateUpdated": "2025-04-16T16:24:24.018Z", "dateReserved": "2021-02-19T00:00:00.000Z", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "datePublished": "2022-05-03T20:26:51.000Z", "assignerShortName": "icscert"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "mbed-ualloc memory library", "vendor": "ARM", "versions": [{"status": "affected", "version": "1.3.0"}]}], "source": "ics-cert@hq.dhs.gov"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:arm:mbed_ualloc:1.3.0:*:*:*:*:*:*:*", "matchCriteriaId": "1829CBB6-9F33-448F-8511-7220125182AA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "ARM mbed-ualloc memory library version 1.3.0 is vulnerable to integer wrap-around in function mbed_krbs, which can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution."}, {"lang": "es", "value": "ARM mbed-ualloc memory library versi\u00f3n 1.3.0, es vulnerable a una envoltura de enteros en la funci\u00f3n mbed_krbs, que puede conllevar a una asignaci\u00f3n de memoria arbitraria, resultando en un comportamiento no esperado como un bloqueo o una inyecci\u00f3n/ejecuci\u00f3n de c\u00f3digo remota"}], "id": "CVE-2021-27433", "lastModified": "2026-06-17T03:44:51.197", "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-27433", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-16T15:56:56.285898Z", "version": "2.0.3"}}]}, "published": "2022-05-03T21:15:08.570", "references": [{"source": "ics-cert@hq.dhs.gov", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/ARMmbed/mbed-os/pull/14408"}, {"source": "ics-cert@hq.dhs.gov", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/ARMmbed/mbed-os/pull/14408"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-190"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}