{"id": "CVE-2021-31893", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "
[email protected]", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "
[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2021-07-13T11:15:09.527", "references": [{"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-641963.pdf", "tags": ["Patch", "Vendor Advisory"], "source": "
[email protected]"}, {"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-641963.pdf", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "
[email protected]", "description": [{"lang": "en", "value": "CWE-120"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3), SIMATIC PDM (All versions < V9.2), SIMATIC STEP 7 V5.X (All versions < V5.6 SP2 HF3), SINAMICS STARTER (containing STEP 7 OEM version) (All versions < V5.4 HF2). The affected software contains a buffer overflow vulnerability while handling certain files that could allow a local attacker to trigger a denial-of-service condition or potentially lead to remote code execution."}, {"lang": "es", "value": "Se ha identificado una vulnerabilidad en SIMATIC PCS 7 versiones V8.2 y anteriores (Todas las versiones), SIMATIC PCS 7 versiones V9.0 (Todas las versiones anteriores a V9.0 SP3), SIMATIC PDM (Todas las versiones anteriores a V9.2), SIMATIC STEP 7 versiones V5.X (Todas las versiones anteriores a V5.6 SP2 HF3), SINAMICS STARTER (que contiene la versi\u00f3n OEM de STEP 7) (Todas las versiones anteriores a V5.4 HF2). El software afectado contiene una vulnerabilidad de desbordamiento de b\u00fafer mientras se manejan determinados archivos que podr\u00eda permitir a un atacante local desencadenar una condici\u00f3n de denegaci\u00f3n de servicio o potencialmente conllevar a una ejecuci\u00f3n de c\u00f3digo remota"}], "lastModified": "2024-11-21T06:06:26.987", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_pcs_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7EEA55DF-23A5-4D3D-A2EC-EFFFBD8A7C3F", "versionEndIncluding": "8.2"}, {"criteria": "cpe:2.3:o:siemens:simatic_pcs_firmware:9.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "81FDDB73-5C1A-448E-A88E-835F04DB8444"}, {"criteria": "cpe:2.3:o:siemens:simatic_pcs_firmware:9.0:sp1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "39CC2ACC-62C3-434D-AB36-B73CA7CD5935"}, {"criteria": "cpe:2.3:o:siemens:simatic_pcs_firmware:9.0:sp2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D6FE8718-AC43-4AD8-9226-2382CB588F7F"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_pcs:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "5BEAC421-FE31-4F16-8DB1-B816FDD66D64"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_pdm_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FCE0E117-5AB1-4D65-84CA-1F4A48664C93", "versionEndExcluding": "9.2"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_pdm:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "E092B735-42D5-48D5-947B-288C0FA2E180"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_step_7_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "06CA9ADA-EEEA-4655-93FA-11EF309D869B", "versionEndIncluding": "5.6"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_step_7:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "FB1FE00B-0613-4819-8D50-A5A0B6A190D1"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:siemens:sinamics_starter_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "ACF25F6B-8DC4-4835-AE2F-2E03D3FA4C8C", "versionEndExcluding": "5.4"}, {"criteria": "cpe:2.3:o:siemens:sinamics_starter_firmware:5.4:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4D01AB88-A23C-4105-9D5C-DEAA8C2AAFE9"}, {"criteria": "cpe:2.3:o:siemens:sinamics_starter_firmware:5.4:hotfix_1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C803017D-BCE6-4638-A54F-D29CA8AE5ABC"}, {"criteria": "cpe:2.3:o:siemens:sinamics_starter_firmware:5.4:hotfix_2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A5900915-29CC-4F36-9622-4E81038CE932"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:siemens:sinamics_starter:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "C3E8B354-CB0D-40F1-BC2B-C2355974C2A9"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "
[email protected]"}
