[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fGDUbwTF94XnVUx0uDmPqz3-KhWs6e3hXPcN8UYudwhc":3,"g5a-risk:CVE-2021-31893":185},{"success":4,"data":5,"meta":183},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":38,"epssPercentile":26,"epssTimeSeries":39,"severity":40,"affectedProducts":41,"affectedProductsCount":37,"references":75,"referencesCount":82,"weaknesses":83,"weaknessesCount":82,"isActivelyExploited":92,"cisaInfo":26,"otxData":26,"relatedBlogPosts":93,"seoMetadata":94,"configurations":119,"relatedVendorCves":181,"notableEvents":182},"CVE-2021-31893","What is CVE-2021-31893?","A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.0 (All versions \u003C V9.0 SP3), SIMATIC PDM (All versions \u003C V9.2), SIMATIC STEP 7 V5.X (All versions \u003C V5.6 SP2 HF3), SINAMICS STARTER (containing STEP 7 OEM version) (All versions \u003C 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.","A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.0 (All versions \u003C V9.0 SP3), SIMATIC PDM (All versions...","2021-07-13T11:15:09.527","2021-08-06T14:03:32.707",7.8,"CVSS:3.1\u002FAV:L\u002FAC:L\u002FPR:L\u002FUI:N\u002FS:U\u002FC:H\u002FI:H\u002FA:H",{"CVSSMetricV31":15,"CVSSMetricV30":26,"CVSSMetricV2":29,"CVSSMetricV40":26},[16],{"Source":17,"Type":18,"CVSSData":19,"ExploitabilityScore":27,"ImpactScore":28},"nvd@nist.gov","Primary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":22,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":25,"IntegrityImpact":25,"AvailabilityImpact":25,"BaseScore":12,"BaseSeverity":25,"ExploitCodeMaturity":26,"RemediationLevel":26,"ReportConfidence":26,"TemporalScore":26,"TemporalSeverity":26,"ConfidentialityRequirement":26,"IntegrityRequirement":26,"AvailabilityRequirement":25,"ModifiedAttackVector":26,"ModifiedAttackComplexity":26,"ModifiedPrivilegesRequired":26,"ModifiedUserInteraction":26,"ModifiedScope":26,"ModifiedConfidentialityImpact":26,"ModifiedIntegrityImpact":26,"ModifiedAvailabilityImpact":26,"EnvironmentalScore":26,"EnvironmentalSeverity":26},"3.1","LOCAL","LOW","NONE","UNCHANGED","HIGH",null,1.8,5.9,[30],{"Source":17,"Type":18,"CVSSData":31,"BaseSeverity":25,"ExploitabilityScore":36,"ImpactScore":37,"ACInsufInfo":26,"ObtainAllPrivilege":26,"ObtainUserPrivilege":26,"ObtainOtherPrivilege":26,"UserInteractionRequired":26},{"Version":32,"VectorString":33,"AccessVector":21,"AccessComplexity":22,"Authentication":23,"ConfidentialityImpact":34,"IntegrityImpact":34,"AvailabilityImpact":34,"BaseScore":35,"BaseSeverity":26,"Exploitability":26,"RemediationLevel":26,"ReportConfidence":26,"TemporalScore":26,"CollateralDamagePotential":26,"TargetDistribution":26,"ConfidentialityRequirement":26,"IntegrityRequirement":26,"AvailabilityRequirement":26,"EnvironmentalScore":26},"2.0","AV:L\u002FAC:L\u002FAu:N\u002FC:C\u002FI:C\u002FA:C","COMPLETE",7.2,3.9,10,0.00563,[38,38,38,38,38,38,38],"High",[42,47,50,54,57,60,63,66,69,72],{"vendor":43,"product":44,"version":45,"criteria":46,"vulnerable":4},"siemens","simatic_pcs_firmware","*","cpe:2.3:o:siemens:simatic_pcs_firmware:*:*:*:*:*:*:*:*",{"vendor":43,"product":44,"version":48,"criteria":49,"vulnerable":4},"9.0","cpe:2.3:o:siemens:simatic_pcs_firmware:9.0:-:*:*:*:*:*:*",{"vendor":43,"product":51,"version":52,"criteria":53,"vulnerable":4},"simatic_pcs","-","cpe:2.3:h:siemens:simatic_pcs:-:*:*:*:*:*:*:*",{"vendor":43,"product":55,"version":45,"criteria":56,"vulnerable":4},"simatic_pdm_firmware","cpe:2.3:o:siemens:simatic_pdm_firmware:*:*:*:*:*:*:*:*",{"vendor":43,"product":58,"version":52,"criteria":59,"vulnerable":4},"simatic_pdm","cpe:2.3:h:siemens:simatic_pdm:-:*:*:*:*:*:*:*",{"vendor":43,"product":61,"version":45,"criteria":62,"vulnerable":4},"simatic_step_7_firmware","cpe:2.3:o:siemens:simatic_step_7_firmware:*:*:*:*:*:*:*:*",{"vendor":43,"product":64,"version":52,"criteria":65,"vulnerable":4},"simatic_step_7","cpe:2.3:h:siemens:simatic_step_7:-:*:*:*:*:*:*:*",{"vendor":43,"product":67,"version":45,"criteria":68,"vulnerable":4},"sinamics_starter_firmware","cpe:2.3:o:siemens:sinamics_starter_firmware:*:*:*:*:*:*:*:*",{"vendor":43,"product":67,"version":70,"criteria":71,"vulnerable":4},"5.4","cpe:2.3:o:siemens:sinamics_starter_firmware:5.4:-:*:*:*:*:*:*",{"vendor":43,"product":73,"version":52,"criteria":74,"vulnerable":4},"sinamics_starter","cpe:2.3:h:siemens:sinamics_starter:-:*:*:*:*:*:*:*",[76],{"url":77,"source":78,"tags":79},"https:\u002F\u002Fcert-portal.siemens.com\u002Fproductcert\u002Fpdf\u002Fssa-641963.pdf","Siemens",[80,81],"Patch","Vendor Advisory",1,[84],{"id":85,"name":86,"description":87,"extendedDescription":88,"status":89,"abstraction":90,"structure":91},"CWE-120","Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.","A buffer overflow condition exists when a product attempts to put more data in a buffer than it can hold, or when it attempts to put data in a memory area outside of the boundaries of a buffer. The simplest type of error, and the most common cause of buffer overflows, is the \"classic\" case in which the product copies the buffer without restricting how much is copied. Other variants exist, but the existence of a classic overflow strongly suggests that the programmer is not considering even the most basic of security protections.","Incomplete","Base","Simple",false,[],{"title":95,"metaDescription":96,"keywords":97,"canonicalUrl":98,"structuredData":99},"What is CVE-2021-31893? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-31893, a high severity cyber security vulnerability from 2021. A vulnerability has been identified in SIMATIC PCS 7 V8.2 a...","CVE-2021-31893, CVE-2021-31893 vulnerability, CVE-2021-31893 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2021, CVSS score, exploit, patch, remediation, siemens security, simatic_pcs_firmware vulnerability, simatic_pcs vulnerability, simatic_pdm_firmware vulnerability, simatic_pdm vulnerability, simatic_step_7_firmware vulnerability","\u002Fwhat-is\u002Fcve-2021-31893",{"@context":100,"@type":101,"headline":95,"description":96,"datePublished":10,"dateModified":11,"author":102,"publisher":106,"about":110,"mainEntityOfPage":114,"articleSection":117,"keywords":118},"https:\u002F\u002Fschema.org","TechArticle",{"@type":103,"name":104,"url":105},"Organization","Precursor 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