[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fML0Dqwqb5CtGbNaGqEVuEF5aQxOonV8Oc4PT4vIQLiU":3,"g5a-risk:CVE-2021-23892":120},{"success":4,"data":5,"meta":118},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":49,"epssPercentile":26,"epssTimeSeries":50,"severity":51,"affectedProducts":52,"affectedProductsCount":27,"references":58,"referencesCount":27,"weaknesses":63,"weaknessesCount":78,"isActivelyExploited":79,"cisaInfo":26,"otxData":26,"relatedBlogPosts":80,"seoMetadata":81,"configurations":106,"relatedVendorCves":116,"notableEvents":117},"CVE-2021-23892","What is CVE-2021-23892?","By exploiting a time of check to time of use (TOCTOU) race condition during the Endpoint Security for Linux Threat Prevention and Firewall (ENSL TP\u002FFW) installation process, a local user can perform a privilege escalation attack to obtain administrator privileges for the purpose of executing arbitrary code through insecure use of predictable temporary file locations.","By exploiting a time of check to time of use (TOCTOU) race condition during the Endpoint Security for Linux Threat Prevention and Firewall (ENSL TP\u002FFW) 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Link Resolution Before File Access ('Link Following')","The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.","","Draft","Base","Simple",{"id":73,"name":74,"description":75,"extendedDescription":76,"status":77,"abstraction":70,"structure":71},"CWE-367","Time-of-check Time-of-use (TOCTOU) Race Condition","The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.","This weakness can be security-relevant when an attacker can influence the state of the resource between check and use. This can happen with shared resources such as files, memory, or even variables in multithreaded programs.","Incomplete",2,false,[],{"title":82,"metaDescription":83,"keywords":84,"canonicalUrl":85,"structuredData":86},"What is CVE-2021-23892? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-23892, a high severity cyber security vulnerability from 2021. By exploiting a time of check to time of use (TOCTOU) race ...","CVE-2021-23892, CVE-2021-23892 vulnerability, CVE-2021-23892 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, mcafee security, endpoint_security_for_linux_threat_prevention vulnerability","\u002Fwhat-is\u002Fcve-2021-23892",{"@context":87,"@type":88,"headline":82,"description":83,"datePublished":10,"dateModified":11,"author":89,"publisher":93,"about":97,"mainEntityOfPage":101,"articleSection":104,"keywords":105},"https:\u002F\u002Fschema.org","TechArticle",{"@type":90,"name":91,"url":92},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":90,"name":91,"url":92,"logo":94},{"@type":95,"url":96},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":98,"name":6,"description":99,"additionalType":100},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":102,"@id":103},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-23892","Cybersecurity","CVE-2021-23892, CVE-2021-23892 vulnerability, CVE-2021-23892 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[107],{"Operator":26,"Negate":26,"Nodes":108},[109],{"Operator":110,"Negate":26,"CPEMatch":111},"OR",[112],{"Vulnerable":4,"Criteria":57,"MatchCriteriaID":113,"VersionStartExcluding":26,"VersionStartIncluding":114,"VersionEndExcluding":115,"VersionEndIncluding":26},"98894A60-D42C-43FE-A471-8BBB4EFEBF0B","10.5.0","10.7.5",[],[],{"lastModified":11,"cacheTime":119,"version":42},1792358959798,{"score":121,"band":122,"action":123,"scoredAt":124},46,"Medium","Plan remediation","2026-10-16T06:51:06.503201+00:00"]