{ "id": "CVE-2021-35465", "sourceIdentifier": "cve@mitre.org", "published": "2021-08-23T13:15:07.667", "lastModified": "2022-07-12T17:42:04.277", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "Certain Arm products before 2021-08-23 do not properly consider the effect of exceptions on a VLLDM instruction. A Non-secure handler may have read or write access to part of a Secure context. This affects Arm Cortex-M33 r0p0 through r1p0, Arm Cortex-M35P r0, Arm Cortex-M55 r0p0 through r1p0, and Arm China STAR-MC1 (in the STAR SE configuration)." }, { "lang": "es", "value": "Determinados productos de Arm antes del 23-08-2021 no consideran apropiadamente el efecto de las excepciones en una instrucci\u00f3n VLLDM. Un manejador no seguro puede tener acceso de lectura o escritura a parte de un contexto seguro. Esto afecta a Arm Cortex-M33 r0p0 versiones hasta r1p0, Arm Cortex-M35P r0, Arm Cortex-M55 r0p0 versiones hasta r1p0, y Arm China STAR-MC1 (en la configuraci\u00f3n STAR SE)." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 3.4, "baseSeverity": "LOW" }, "exploitabilityScore": 0.8, "impactScore": 2.5 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:N", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE", "baseScore": 3.6 }, "baseSeverity": "LOW", "exploitabilityScore": 3.9, "impactScore": 4.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "NVD-CWE-Other" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:arm:cortex-m33_firmware:*:*:*:*:*:*:*:*", "versionStartIncluding": "r0p0", "versionEndIncluding": "r1p0", "matchCriteriaId": "8743FD78-DA56-4809-9BE7-2CD84F785598" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:arm:cortex-m33:-:*:*:*:*:*:*:*", "matchCriteriaId": "4595439A-ADC7-4C65-9DEB-6DEFE8F9A48F" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:arm:cortex-m35p_firmware:r0:*:*:*:*:*:*:*", "matchCriteriaId": "F7CD4A53-9AFC-40CA-8BA3-611B2E27AC51" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:arm:cortex-m35p:-:*:*:*:*:*:*:*", "matchCriteriaId": "420AB2CA-D4C8-46C8-9E0F-813ADBF5DCBC" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:arm:cortex-m55_firmware:*:*:*:*:*:*:*:*", "versionStartIncluding": "r0p0", "versionEndIncluding": "r1p0", "matchCriteriaId": "7D345484-BA9B-4F6C-9B54-6FEB6C8F0DC6" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:arm:cortex-m55:-:*:*:*:*:*:*:*", "matchCriteriaId": "79E2E419-58A9-4F2E-B7A7-C9CB177F6543" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:arm:china_star-mc1_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "325B4E68-0CEB-4D13-AF1E-118C4851A28C" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:arm:china_star-mc1:-:*:*:*:*:*:*:*", "matchCriteriaId": "8DC6F685-2230-4560-BFEA-A2231C0A6C1A" } ] } ] } ], "references": [ { "url": "https://developer.arm.com/support/arm-security-updates", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "https://developer.arm.com/support/arm-security-updates/vlldm-instruction-security-vulnerability", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] } ] }